Brand reviews - BeautyDecoded analysis
Green Keratin.

Opinions Green Keratin - Doctor's analysis and BeautyDecoders' opinion.

British brand clean & vegan founded in 2007 by Anderson Lira, certified PETA «Beauty Without Bunnies». Three proprietary technologies : ELMW (ultra-low molecular weight fragmented hyaluronic acid and vitamin C), Yellow Plasma (a concentrate of soothing botanical active ingredients) and encapsulated Cacay oil (a plant-based source of natural retinol). Eighteen products analyzed across the Yellow Plasma, ELMW, RTN-X, VB3 and Cacay ranges - with their BeautyDecoded scores and 65 actual user feedbacks.

Author Dr Sylvain David
Expertise Independent cosmetic analysis
Products analyzed 18 references - 3 patented technologies
Compiled opinions 65 BeautyDecoded returns
18
Products analyzed
65
User reviews
+2,75
Peau sensible max (Yellow Plasma)
2007
Year of foundation

Analyze a Green Keratin product on your skin profile.

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2007 - a brand clean & vegan to proprietary technologies.

British brand founded in 2007 by Anderson Lira, Our initial mission was to create high-quality, affordable natural skincare products. Vegan and PETA cruelty-free certified. The range is based on active ingredients of natural and organic origin, with no components identified as endocrine disruptors. A rare commitment: most products are available with and without fragrance - offering a real choice for fragrance-sensitive skin. 250 ml eco-refills available on most leading serums.

01

ELMW - Extra Low Molecular Weight

Fragmentation of hyaluronic acid and vitamin C molecules at very low molecular weight (< 10 kDa) for a optimized epidermal penetration. Principle documented in cosmetics literature: molecular size directly influences skin penetration. Application to critical damp skin for the effectiveness of a humectant - a recurring point of attention in user reviews.

02

Yellow Plasma & Cacay encapsulated

Visit Yellow Plasma combines chamomile + tamanu oil + hempseed oil + prebiotics (pullulan, inulin) - sensitive skin score +2.75, one of the highest in the BeautyDecoded database. L’Cacay oil (Caryodendron orinocense) is rich in natural retinol (400 IU/100 g) - one of the highest concentrations of any vegetable oil.

Editorial reading

«Green Keratin presents a multi-speed catalog. Three objective strengths in the BeautyDecoded database: Yellow Plasma Recovery Serum (sensitive skin +2.75 - the best in the catalog and one of the highest in the entire BeautyDecoded database, 23 reviews), RTN-X Encapsulated Retinol Serum (anti-aging 73.1 and imperfections 76.5) and BISABOLOL Crème (post-retinol companion confirmed as expert use in reviews). Three signals to be aware of: the extreme polarization of ELMW Fragrance-Free (12 reviews ranging from «essential routine» to «rip-off» depending on application technique on wet skin), the Original vs Fragrance-Free score differential reaching -11 points in sensitive skin on certain products, and the paradox of DOUBLE COPPER (excellent formulation on paper but iron/metal smell prohibitive for the only documented user).»

Eight signatures that structure the brand.

Green Keratin combines proprietary technologies with systematic ethical commitments. Here is an inventory of the formulatory signatures identified in the INCI analysis of the 18 products.

Technology / Commitment What it means Products concerned
ELMW (Extra Low Molecular Weight) Fragmented AH and Vitamin C for optimized epidermal penetration ELMW Serum AH, Vitamin C ELMW
Yellow Plasma Concentrate of anti-inflammatory botanical active ingredients (chamomile, tamanu, hemp) Yellow Plasma Recovery, Yellow Plasma 2.0
Encapsulated Cacay oil Plant source of natural retinol (400 IU/100 g) + AH encapsulation Cacay 2.0, Precious Cacay Intense Elixir, CACAY B-Carotene
Double Copper (GHK-Cu) Collagen-boosting copper peptides - premium segment alternative DOUBLE COPPER Serum
Bisabolol soothing active ingredient Post-active anti-irritants - documented post-retinol use BISABOLOL Cream
Products with / without fragrance Systematic choice offered - real commitment to sensitive skin ELMW, Y-PGA, ULMW Spritz
Eco-refills 250 ml Economical and ecological refill format - reduced packaging Most flagship serums
Vegan + PETA cruelty-free No ingredients or animal testing - verified certification The whole range

The critical signal : Original vs Fragrance-free.

A major finding of BeautyDecoded's analysis of 18 Green Keratin products: the « Original »(with fragrance) have sensitive skin scores radically different versions « Fragrance-Free ». This differential reaches worrying levels for reactive profiles.

Product Perfume version Fragrance-free version Differential
ELMW Serum AH -11,50 -0,25 -11.25 points
Y-PGA Emulsion -7,25 -0,25 -7.00 points
ULMW Spritz Essence -9,50 -1,00 -8.50 points
⚠️
Simple rule for sensitive skin. If you have sensitive or reactive skin, choose always the «Fragrance-free» version» at Green Keratin. The differences in the sensitive skin score (-7 to -11 points) are too great to ignore. The brand has chosen to offer both versions - use it. For normal, non-perfume-reactive skin, both versions are acceptable.

The 18 products analyzed, at a glance.

Yellow Plasma (23 reviews) and ELMW Unscented (12 reviews) are the catalog's strongest statistical bases. The other products have 1-4 reviews each. Sensitive skin scores range from +2,75 à -11,5 within the same catalog - product-by-product reading essential.

Product Note Opinions Key score
Yellow Plasma Recovery Serum4,63/523Sensitive skin +2.75 - redness 76.5 - universal
ENCAPSUSHIELD SPF504,50/52Dry skin 91 - blue color application guide
Y-PGA Emulsion Fragrance-free4,38/54Universal profile 81-91 - anti-aging 37.4
BISABOLOL Regenerating Cream5,00/51Anti-ageing 68 - post-retinol confirmed
CACAY B-Carotene Oil5,00/51Dry skin 84 - anti-aging 68
DOUBLE COPPER Serum5,00/51Anti-ageing 76.5 - rating/advice paradox (unpleasant smell)
RTN-X Serum (retinol)4,00/51Anti-ageing 73.1 - imperfections 76.5 - grain refined 6 months
VITAMIN C ELMW4,00/52Blemishes 76.5 - anti-aging 66.3 - drying signal
Cacay 2.0 Oil3,83/53Sensitive skin 0 - spots 51 - Q/P discussed
ELMW Serum AH Fragrance-free3,29/512Universal profile - anti-aging 17 - highly polarizing
VB3 Serum (niacinamide)3,00/51Anti-ageing 78.2 (best catalog) - plush reported
ELMW ZERO Serum3,00/51Anti-ageing 42.5 - oily skin 84 - no perceived effect
Y-PGA Emulsion Originale3,00/51Same formula + fragrance - sensitive skin -7.25
ULMW SPRITZ Fragrance-free3,00/51Dry skin 91 - sensitive skin -1.0
Precious Cacay Intense Elixir4,00/52Dry skin 84 - sensitive skin -10.0 (avoid sensitive skin)
ULMW SPRITZ Original2,00/51Dry skin 91 - sensitive skin -9.5 - dryness
ELMW Original4,00/51Universal profile - sensitive skin -11.5 (lowest)
Yellow Plasma 2.04,00/51Dry skin 84 - anti-aging 68
ℹ️
Methodological note. Yellow Plasma (23 reviews) and ELMW Unscented (12 reviews) provide a solid statistical analysis. The other products have 1-4 reviews - their scores are indicative. The algorithmic scores (INCI analysis) remain reliable regardless of the volume of reviews, and form the basis of the formulatory analysis.
Family 01

Yellow Plasma - the cult product for sensitive skin

Green Keratin's flagship product: sensitive skin +2.75 (the best in the catalog and one of the highest in the entire BeautyDecoded database for a soothing serum), redness 76.5, 23 cumulative reviews - the brand's maximum statistical volume.

Repairing serum for sensitive skin

Yellow Plasma Recovery Serum

★★★★★ 4,63/5 (23 reviews) ~25-32 € / 100 ml - 250 ml eco-refill
Sensitive skin +2.75 - exceptional in BD base

Chamomile + tamanu oil + hemp oil + pullulan + inulin + alpha-glucan oligosaccharide. Sensitive skin score +2.75 - the best in the Green Keratin catalog and one of the highest scores in the entire BeautyDecoded database.. Redness score 76.5 - high, consistent with anti-inflammatory active ingredients. Near-universal profile 84-91. Rated 4.63/5 out of 23 reviews - maximum statistical volume of the range.

Scores BeautyDecoded
Dry skin
84
Oily skin
84
Normal to dry skin
91
Normal to oily skin
91
Sensitive skin
+2,75
Redness
76,5
✅ Sensitivity verdict Unreservedly suitable for sensitive skin (score: +2.75). One of the best tolerance scores in the entire BeautyDecoded database for a soothing serum.
🌿
We take a closer look at our three flagship assets. Visit chamomile (Calendula officinalis) has documented anti-inflammatory, antiseptic and healing properties. L’tamanu oil (Calophyllum inophyllum) is rich in fatty acids and calophyllolide with healing properties. L’hemp oil (Cannabis sativa) provides omega 3 and 6 + soothing, sebum-regulating properties. Pullulan and inulin are cutaneous prebiotics that support the microbiome.
«Yellow Plasma is a skin barrier support product, not an active corrective. Its benefits are targeted: reactive, reddened skin, skin with an altered barrier or chronic inflammation. For already balanced skin, some users perceive no effect - a clinically coherent signal with a product whose mechanism is anti-inflammatory and barrier. The 23 BeautyDecoded reviews confirm two patterns: long-term adoption and loyalty for target profiles («I can't do without it», «my sensitive and reactive skin is immediately soothed»); no effect for profiles without chronic inflammation.»
User feedback (extracts from 23 reviews)
★★★★★«A sure value - discovered 2 years ago, I can't do without it. My sensitive, reactive skin is immediately soothed. First step in my routine as a support for other skin care products.»
★★★★★«I love it - this product is very restorative and moisturizing.»
★★★★★«Yellow mayonnaise - we've adopted it! Soothes my sensitive skin.»
★★★★★«Very good product also before my Retinal - I put the Yellow in the fridge.»
★★★«Bof - I haven't seen any effect on my skin.»
Verdict - TOP for sensitive skin. Rated 4.63/5 out of 23 reviews. Sensitive skin +2.75 (exceptional). Redness 76.5. Universal 84-91. Targeted use: reactive and reddened skin.
Family 02

ELMW - the polarizing technological signature

AH ELMW Perfume-free Serum is the most polarizing bestseller in the catalog (12 reviews: «indispensable» vs «rip-off»). Polarization is directly linked to the application technique used on damp skin - a clinically decisive criterion for a humectant.

Extra Low Molecular Weight AH fragmented serum

ELMW - Hyaluronic Acid Serum Fragrance-free

★★★☆☆ 3,29/5 (12 reviews) ~18-22 € / 100 ml - 250 ml eco-refill
Best-selling polarizer - critical wet-skin application

Hyaluronic acid ELMW + lactic acid + urea. Near-universal profile 84-91. Sensitive skin score -0.25 - slight caution, probably linked to lactic acid (gentle exfoliant) or urea. Imperfections score 51 - relevant. Anti-aging score 17 - low for a main serum (pure moisturizer with no corrective active ingredients). Score 3.29/5 out of 12 reviews - 2nd statistical volume of the catalog.

Scores BeautyDecoded
Dry skin
84
Oily skin
87,5
Normal to dry skin
91
Normal to oily skin
91
Sensitive skin
-0,25
Blemishes / Anti-aging
51 / 17
⚠ Sensitivity verdict Slight caution recommended (score: -0.25).
💧
Critical efficacy criterion: application to damp skin mandatory. AH ELMW is a humectant that captures water to moisturize. On dry skin, however, it can capture existing skin moisture instead of atmospheric water, resulting in a paradoxical sensation of dryness. This explains the polarization of opinions: users who achieve results systematically apply the serum. on damp skin immediately after cleansing. Those who see no effect probably apply it to dry skin.
«ELMW Fragrance Free is Green Keratin's most documented AH serum with the strongest polarization signal in the catalog. Universal profile (84-91), sensitive skin -0.25. ELMW technology (Extra Low Molecular Weight, < 10 kDa) is formulatively consistent with literature on skin penetration of humectants - very low molecular weight HA fragments penetrate deeper than standard HA (500-1000 kDa). Anti-ageing score 17 consistent with the moisturizing base positioning».»
User feedback (extracts from 12 reviews - marked polarization)
★★★★★«Super serum - I can't do without it morning and night. Smoothes the features, moisturizes perfectly. Very economical with the 250 ml refill. Absolutely top-notch!»
«Lame - I let myself be influenced by a youtuber. No hydration, no miraculous effect, hyper liquid texture so not for dehydrated skin. To be avoided.»
★★★«Difference? Used for several months, moistening my skin well beforehand. Honestly, I haven't seen any noticeable effect. I prefer a moisturizer with AH.»
★★«Bof - not at all convinced by this serum, no noticeable effect.»
Verdict - Polarizing. Rated 3.29/5 out of 12 reviews. Universal profile 84-91. Anti-ageing 17. Application on wet skin critical. Reviews: enthusiastic vs. «nil» depending on application technique.
Family 03

ENCAPSUSHIELD SPF50 & Y-PGA Emulsion - protection and moisturizing sealant

ENCAPSUSHIELD SPF50 offers a functional innovation (blue color application indicator). Y-PGA Emulsion (polyglutamic acid) is a moisturizing sealer for the penultimate step of the routine.

SPF50 sun cream with marker dye

ENCAPSUSHIELD SPF50

★★★★½ 4,50/5 (2 reviews) ~25-30 € / 100 ml
Blue color application marker

Encapsulated UV filters SPF50 + blue dye (application mark). Dry skin score 91 and normal to dry skin 91 - optimal profile for dry skin. Oily skin score 35 - unsuitable. Sensitive skin score -0.25 - slight caution. Rated 4.50/5 out of 2 reviews.

Scores BeautyDecoded
Dry skin
91
Oily skin
35
Normal to dry skin
91
Normal to oily skin
42
Sensitive skin
-0,25
Anti-aging
25,5
⚠ Sensitivity verdict Slight caution recommended (score: -0.25). Linked to UV filters.
💙
Why blue dye? The blue dye is used to check application coverage on the face (uncovered areas remain colorless) before disappearing once absorbed. It's a formulative response to a documented problem: the majority of users under-apply their SPF (the recommended amount being 2 mg/cm²). A simple, functional innovation.
«ENCAPSUSHIELD SPF50 combines several essential qualities confirmed in the 2 BeautyDecoded reviews: practical blue color as a marker, doesn't sting the eyes, doesn't leave an oily or white film, good make-up base. These four criteria - the most important for a daily facial SPF - are all covered positively. Oily skin score 35: to be reserved for normal to dry skin. 2 reviews statistically insufficient.»
User feedback
★★★★½«Good SPF50 sunscreen - blue color gives a cue for application. Pleasant texture, does not sting the eyes, leaves the skin comfortable. Good make-up base.»
★★★★½«Good SPF50 cream - pastel blue color leaving no greasy or white film. I put a moisturizer underneath because my skin is normal to dry.»
Verdict - Innovative SPF. Rated 4.50/5 out of 2 reviews. Dry skin 91. Blue benchmark color confirmed. Does not sting the eyes. Oily skin 35: not suitable. 2 insufficient reviews.
Polyglutamic acid emulsion sealant

Y-PGA Emulsion Fragrance-free

★★★★½ 4,38/5 (4 reviews) ~22-28 €
Universal profile 81-91 - sealant care

Polyglutamic acid (γ-PGA) + hyaluronic acid. Near-universal profile 81-91. Sensitive skin score -0.25 - slight caution. Anti-aging score 37.4 - correct. Rated 4.38/5 out of 4 reviews - 3rd volume of the catalog.

Scores BeautyDecoded
Dry skin
81,9
Oily skin
84
Normal to dry skin
88,9
Normal to oily skin
91
Sensitive skin
-0,25
Anti-aging
37,4
⚠ Sensitivity verdict Slight caution recommended (score: -0.25).
💡
Deciphering polyglutamic acid (γ-PGA). Polypeptide biosynthesized by bacterial fermentation. Estimated water retention capacity between 4,000 to 5,000 times its molecular weight, vs. 1,000 for HA. Forms a moisturizing surface film while interacting with the skin's natural hydration factors. The Fragrance-free version is much better suited to sensitive profiles than the Original version (-7.25 in sensitive skin).
«Y-PGA Emulsion Unscented is Green Keratin's polyglutamic moisturizing emulsion - near-universal profile (81-91), optimal use as penultimate step of routine to seal in peptides and moisture underneath («satin finish», confirmed in reviews). Results divided on 4 reviews: 2 very positive on sealing efficacy, 1 with no perceived effect («nothing on one and a half tubes»), 1 rejection on INCI signal to be checked independently (perfluorodecalin reported by a user).»
User feedback
★★★★★«Very good hydration - the fragrance-free version works for me. I use it just before my cream as a penultimate step in the evening. It seals in the peptides and moisture. Satin finish when dry.»
★★★★★«Very good - very moisturizing. Part of my evening routine after Yellow Plasma.»
★★★«No effect on me - I finish it off on my décolleté because I don't like it. Nothing after a tube and a half. Just good almond smell.»
★★«Direct trash - I found perfluorodecalin, an endocrine disruptor. I'm careful about what I put on my skin.»
Verdict - Moisturizing sealer. Universal profile 81-91. Rated 4.38/5 out of 4 reviews. Anti-ageing 37.4. Sensitive skin -0.25. Optimal use: penultimate step of routine. INCI to be verified.
Family 04

RTN-X & BISABOLOL - the complete retinol routine

RTN-X Serum (encapsulated retinol) is the strongest anti-aging corrective in the catalog (anti-aging 73.1, imperfections 76.5). BISABOLOL Cream is its documented companion in post-retinol use - a coherent brand synergy.

Corrective encapsulated retinol serum

RTN-X - Encapsulated Retinol Serum

★★★★☆ 4,00/5 (1 review) ~28-35 €
Anti-ageing 73.1 - imperfections 76.5 - best corrector

Encapsulated retinol (RTN-X) + moisturizing complex. Anti-aging score 73,1 and imperfections 76.5 - 2nd best score in the Green Keratin catalog after VB3. Score spots 68 - high. Near-universal profile 79-91. Sensitive skin score -2.2 - slight caution, consistent with retinol.

Scores BeautyDecoded
Dry skin
79,8
Oily skin
84
Normal to dry skin
86,8
Normal to oily skin
91
Sensitive skin
-2,2
Anti-aging / Blemishes
73,1 / 76,5
⛔ Sensitivity verdict Not suitable for sensitive skin (score: -2.2). Consistent with retinol.
Gradual introduction mandatory. 1 evening out of 3 for the first two weeks, then 1 evening out of 2. SPF 50+ mandatory the next morning. Contraindicated during pregnancy and breast-feeding.
«RTN-X Serum is the strongest anti-aging corrective in the Green Keratin catalog analyzed in BeautyDecoded (anti-aging 73.1, blemishes 76.5, spots 68). Retinol encapsulation reduces immediate irritation while preserving efficacy - the same principle used in some premium serums. Retinol is the best-documented anti-aging active ingredient in cosmetology: it stimulates collagen synthesis and accelerates cell renewal via RAR/RXR receptors. The only opinion confirms an improvement in skin texture at 6 months when used in combination with retinal from the same brand.»
Source: Kafi R et al. Improvement of naturally aged skin with vitamin A (retinol). Arch Dermatol. 2007.
User feedback
★★★★«Good serum - I've been pairing it with retinal for 6 months and have seen my skin texture refine.»
Verdict - Best corrective catalog. Anti-ageing 73.1, blemishes 76.5, spots 68. Rated 4/5 on 1 review. Sensitive skin -2.2. Grain refined at 6 months. Gradual introduction + mandatory SPF.
Post-actives regenerating cream

BISABOLOL Regenerating Cream

★★★★★ 5,00/5 (1 review) ~20-25 €
Post-retinol companion - confirmed expert use

Bisabolol (alpha-bisabolol, derived from German chamomile) + regenerating complex. Dry skin score 84 and normal to dry skin 91 - optimal profile. Anti-aging score 68 - high for a regenerating cream. Oily skin score 0 - formally unsuitable. Sensitive skin score -0.25 - slight caution. Rated 5/5 on 1 review with documented post-retinol use.

Scores BeautyDecoded
Dry skin
84
Oily skin
0
Normal to dry skin
91
Normal to oily skin
0
Sensitive skin
-0,25
Anti-aging
68
⚠ Sensitivity verdict Slight caution recommended (score: -0.25).
«Bisabolol is a documented soothing and anti-irritant active ingredient, particularly used in post-application of strong active ingredients such as retinoids or acids. Mechanism: inhibition of phospholipase A2 (pro-inflammatory enzyme), reduction in skin inflammation mediators. The only BeautyDecoded review documents expert post-retinol use: «it's my evening cream, regenerating and calming, especially after applying retinal from the same brand» - exactly the formulatory indication for bisabolol. Consistent brand synergy with RTN-X Serum».»
User feedback
★★★★★«One of my favorite products from GK - my evening cream, regenerating and calming, especially after applying retinal from the same brand. I always buy it again.»
Verdict - TOP post-actives. Rated 5/5 out of 1 review. Dry skin 84. Anti-ageing 68. Post-retinol use confirmed expert. Oily skin 0: unsuitable. 1 review insufficient.
Family 05

Vitamin C ELMW - shine and spots with dry skin tension

Vitamin C serum in ELMW form features fragmentation technology applied to a radiance and blemishes active ingredient. Solid formulation scores (spots 76.5, anti-aging 66.3), but dryness signal in 1 out of 2 reviews.

ELMW fragmented vitamin C serum

Vitamin C ELMW

★★★★☆ 4,00/5 (2 reviews) ~22-28 €
Spots 76.5 - dry signal on 1/2 notice

Vitamin C ELMW + niacinamide. Dry skin score 91 and normal to dry skin 91 - optimal profile for dry skin. Score spots 76.5 - excellent. Anti-aging score 66.3 - solid. Sensitive skin score -6.0 - not suitable (vitamin C acid concentrate). Rated 4/5 on 2 different reviews.

Scores BeautyDecoded
Dry skin
91
Oily skin
49
Normal to dry skin
91
Normal to oily skin
63
Sensitive skin
-6,0
Anti-ageing / Spots
66,3 / 76,5
⛔ Sensitivity verdict Not suitable for sensitive skin (score: -6.0).
«Vitamin C ELMW uses the same molecular fragmentation principle as AH ELMW - very low molecular weight fragments for optimized epidermal penetration. Score 76.5 consistent with vitamin C's antioxidant and anti-pigmentation action (tyrosinase inhibition). The 2 opinions diverge: 1 negative on dryness after 15 days, 1 positive on radiance. Paradoxically, vitamin C in certain forms can be drying if the formula is not sufficiently moisturizing at the same time. For normal to dry, non-sensitive skin only.»
User feedback
★★★★«Bof - this serum I don't finish. Dries out my skin after a fortnight.»
★★★★«Fresher complexion - does not dry out. Good moisturizer.»
Verdict - Blemishes 76.5 and anti-aging 66.3. Sensitive skin -6.0: not suitable. Dryness signal on 1/2 review. Rating 4/5. For normal to dry, non-sensitive skin.

Four routines according to the profile.

Articulation of Green Keratin products according to skin profiles. The brand does not cover all stages - integration with other marques products for cleansing and the complete routine is usual. Fragrance-free versions are the rule for sensitive skin.

Profile Morning Evening
Reactive sensitive skin - chronic redness Yellow Plasma Recovery → ENCAPSUSHIELD SPF50 BISABOLOL Regenerating Cream (+ Yellow Plasma if nocturnal reactivity)
Combination to oily skin - imperfections ELMW Serum AH Fragrance-free (wet skin) → SPF RTN-X Serum (2-3 evenings/week) + BISABOLOL after retinol
Normal to dry skin - global anti-aging Yellow Plasma → Y-PGA Emulsion Fragrance-free → ENCAPSUSHIELD SPF50 RTN-X Serum → BISABOLOL Cream or Cacay 2.0 sealant
Skin with pigmentation spots Vitamin C ELMW (for non-sensitive skin) → SPF 50+ mandatory VB3 Serum niacinamide if vitamin C poorly tolerated - introduce without mixing
⚠️
Key precautions. RTN-X (encapsulated retinol) is contraindicated during pregnancy and breast-feeding. For sensitive skin: always choose «Fragrance-free» versions (differential -7 to -11 points for sensitive skin documented). ELMW requires application to damp skin to be effective.

Green Keratin vs. clean alternatives.

Five marques with clean skincare positioning and accessible concentrated active ingredients. Green Keratin occupies a singular position: proprietary technologies (ELMW, Yellow Plasma, Cacay) + systematic ethical commitments (vegan, PETA, 250 ml eco-refills) + choice of fragrance/fragrance-free on most products.

Brand Average price Positioning vs Green Keratin
Green Keratin (UK) 18-45 € ELMW + Yellow Plasma + Cacay - vegan + eco-refills - with/without fragrance
The Ordinary (Canada) 5-15 € Pure active ingredients at minimal cost - wider range - single-ingredient
The Inkey List (UK) 10-15 € Complete formulas - educational packaging - B Corp - similar prices
HaruHaru Wonder (Korea) 15-28 € Fermented black rice - EWG Verified - sensitive skin
NIOD (Canada) 27-65 € Premium copper peptides - high concentrations - scientific niche
🔬
Force Green Keratin. L'commitment with/without systematic fragrance is rare and particularly precious for sensitive skin. Visit 250 ml eco-refills on most serums are a concrete ecological and economic advantage. Visit Yellow Plasma is one of BeautyDecoded's highest-rated soothing serums for sensitive skin. Limite vs The Ordinary. Smaller catalog, slightly higher prices. For pure active ingredients at minimal prices, The Ordinary remains the benchmark. Green Keratin is positioned in the clean & vegan segment, with more comfortable textures.

Everything you need really know.

Is Green Keratin a good brand?
Green Keratin is a serious British clean & vegan brand with concrete commitments: PETA cruelty-free certification, 250 ml eco-refills, choice with/without systematic fragrance. BeautyDecoded reference 18 products with 65 reviews. Overall score: Yellow Plasma (23 reviews, 4.63/5) is one of BeautyDecoded's highest-rated products for sensitive skin. The range is heterogeneous Some are excellent (Yellow Plasma, RTN-X, BISABOLOL), others polarizing (ELMW), others disappointing (Original versions with strong fragrance).
Which is the best Green Keratin product according to BeautyDecoded?
Visit Yellow Plasma Recovery Serum is a clear winner - 23 reviews, rating 4.63/5, sensitive skin score +2,75 (one of the highest in the BeautyDecoded database for a soothing serum), redness 76.5. For corrective anti-aging: the RTN-X Serum (encapsulated retinol, anti-aging 73.1, imperfections 76.5). For post-active use: the BISABOLOL Cream (anti-aging 68, rating 5/5 on targeted post-retinol use).
Why is ELMW so polarizing in opinions?
Opinions on ELMW Fragrance-free range from «essential routine» to «rip-off, no effect». This polarization can be explained by the nature of the humectants (AH ELMW): they work only on damp skin - if applied to dry skin, they can capture existing skin moisture instead of atmospheric water, causing a paradoxical sensation of dryness. Users who achieve results systematically apply the serum to damp skin (just after cleansing). Those who see no effect probably apply it to dry skin.
Should I choose the «Original» or «Fragrance-free» version?
For sensitive or reactive skin: always the «Fragrance-free» version». BeautyDecoded data document sensitive skin score differences of -7 to 11 points between the two versions (ELMW Original at -11.5 vs. Unscented at -0.25). This is one of the biggest differentials observed in the base - directly linked to the fragrance present in the Original versions. For normal skin not reactive to fragrance, both versions are acceptable.
What is ELMW technology?
ELMW stands for Extra Low Molecular Weight. This is the formulatory signature of Green Keratin: fragments of hyaluronic acid (or vitamin C) of very low molecular weight (< 10 kDa) penetrate deeper into the epidermis than standard HA (500-1000 kDa). This principle is documented in cosmetics literature - molecular size directly influences skin penetration. Application to damp skin is imperative to benefit from the humectant effect.
Is Cacay oil really equivalent to retinol?
Cacay oil (Caryodendron orinocense) is rich in natural retinol (400 IU/100 g) - one of the highest concentrations of any vegetable oil. It also provides linoleic acid (omega 6) and vitamin E. For all that, it does not replace a retinol serum with a documented concentration The concentration of retinol available to the skin remains lower than that of RTN-X, for example. Cacay oil is complementary to a routine, not a substitute for a retinol patch.
Where to buy Green Keratin in France
On the official website greenkeratin.eu (delivery from UK), on Amazon.fr (wide range, verified reviews) and in some specialized clean beauty boutiques or on Etsy. The brand is not distributed in standard French pharmacies. 250 ml eco-refills are mainly available on the official website. Amazon prices may vary - the official site remains the price reference.
What is the BeautyDecoded application?
BeautyDecoded allows you to choose cosmetics adapted to your skin type thanks to the’INCI analysis. The application analyzes formulations and generates compatibility scores for 80 skin types. 18 Green Keratin products products are referenced in the database, with 65 user reviews - a significant volume for an independent brand. This is not a medical consultation, but rather a means of objectively selecting products according to a precise skin profile.

Plastic and aesthetic surgeon. Founder of BeautyDecoded.

15 yearsclinical expertise
200 000+YouTube subscribers
70 000+Instagram & TikTok followers

«Green Keratin is a British clean & vegan brand with concrete commitments: PETA cruelty-free certification, 250 ml eco-refills, choice with/without fragrance systematically. Three objective strengths: Yellow Plasma Recovery Serum (sensitive skin +2.75 - one of the highest scores in the entire BeautyDecoded database of 23 reviews), RTN-X Serum (encapsulated retinol with anti-aging 73.1 and imperfections 76.5), and BISABOLOL Crème (expert post-retinol companion). The most important signal for the general public: the Original vs Fragrance-free differential reaching -11 points in sensitive skin on the ELMW - always prefer the Fragrance-free version for reactive skin.»

Analyze a Green Keratin product on your skin profile.

The BeautyDecoded application lets you scan any cosmetic product to visualize its suitability for your skin type and needs, based on INCI analysis.

Application available on iOS and Android
Dr Sylvain David Plastic and aesthetic surgeon - Founder of BeautyDecoded

Information for educational purposes only, not a substitute for medical consultation. BeautyDecoded is a cosmetic analysis application using artificial intelligence and is not a medical diagnostic tool. The results presented depend on the user's diligence and skin type. In the event of a skin reaction to a cosmetic product, discontinue use immediately and consult a healthcare professional. This article does not constitute a commercial partnership with the Green Keratin brand.