Mary & May review: Korean clean beauty analyzed by a doctor

Eye Cream Acide Tranexamique, 6 Peptide Complex Serum, Idebenone, Bakuchiol Sun Stick - 7 products and 16 reviews BeautyDecoded

Article written by Dr Sylvain David - Plastic and aesthetic surgeon - Updated: March 2026

Information : This content is for informational and educational purposes only. It does not constitute a medical consultation. BeautyDecoded application allows you to choose cosmetics adapted to your skin type thanks to artificial intelligence.

Mary & May - Korean clean beauty with highly concentrated active ingredients (Made in Korea)

Mary & May is an independent Korean cosmetics brand positioned on the «high-concentration »clean beauty. Its founding philosophy : documented active ingredients, in high concentrations, in purified, transparent formulas. The brand rejects controversial ingredients and systematically excludes artificial fragrances, artificial colorants, parabens, alcohol, mineral oils, harsh surfactants and allergens from its formulas. All products are manufactured 100% in Korea, vegans and not tested on animals. Packaging uses recycled paper and soy-oil ink.

Mary & May stands out in the K-beauty world for its choice of premium active ingredients often reserved for high-end dermo-cosmetics: idebenone (latest-generation Q10 analog), tranexamic acid (anti-stain documented), glutathione (a powerful tripeptide antioxidant), bakuchiol (a plant-based alternative to retinol) and 25 peptide types in a single solar. This formulatory density at K-beauty prices is the brand's central differentiating positioning.

Mary & May's signature active ingredients - formulatory deciphering

Mary & May is one of the few marques K-beauty brands to explicitly position dermatological pharmacological active ingredients in its mainstream formulas. What distinguishes its formulas from classic K-beauty products is not the active ingredients used, but their focus and coherence between assets and target issues.

Clinical warning documented in BeautyDecoded reviews: 6 Peptide Complex Serum contains copper tripeptide-1 (copper peptide). The presence of copper and vitamin C in the same routine causes an oxidation reaction that inactivates both active ingredients. Do not combine 6 Peptide Complex Serum with vitamin C (serum or cream). This warning is documented by the brand's official retailers.

«Mary & May is the most formulatively interesting K-beauty brand I've analyzed in BeautyDecoded - for one precise reason: its active ingredients are those of high-end dermo-pharmacy (idebenone, tranexamic acid, glutathione, 6 peptide complex) at K-beauty prices (~€15-25). BeautyDecoded data validates this promise: 6 Peptide Complex Serum at anti-aging 78.2 (comparable to premium serums 10x more expensive), Eye Cream spots 72.25 (exceptional for an eye contour). But the most clinically valuable signal in the entire BeautyDecoded database on this brand: the 6 reviews of the Eye Cream concealer. Five users document a visible reduction in pigmented dark circles - including one user with typical Mediterranean dark circles who has never had results before. This is proof of a real active depigmenting mechanism, not a surface cosmetic effect.»

- Dr Sylvain David, Plastic Surgeon, Researcher and Youtuber

The 7 Mary & May products - BeautyDecoded overview

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Exceptional signal: all 7 Mary & May products referenced in BeautyDecoded score between 4/5 and 5/5 - no negative reviews. Average score: 4.86/5 out of 16 reviews. This is one of the highest average ratings in the entire BeautyDecoded database among the marques with 5+ reviews. Mary & May's formulatory consistency explains this consistency: documented active ingredients, high concentrations, purified formulas.

Mary & May reviews - product by product analysis (BeautyDecoded data)

Tranexamic Acid + Glutathione Eye Cream - Anti-Dark Circle Pigmentation Eye Cream

5.00/5  - 6 opinions BeautyDecoded | Price: ~18-25 € € (in French)

Main assets : Tranexamic acid + Glutathione + periorbital anti-pigmentation agents

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Suitable for sensitive skin  (score : 0.25)

Expert deciphering

Eye contour cream with tranexamic acid and glutathione. Dry skin score: 84 and normal to dry skin score: 91 - excellent. Oily skin score: 0 - unsuitable. Sensitive skin score: +0.25 - well adapted, one of the only Mary & May products with a positive sensitive skin score. Blemish score: 72.25 - exceptional for an eye contour product. Anti-aging score: 55.25. Rated 5/5 out of 6 reviews - the most documented Mary & May product in BeautyDecoded.

Tranexamic acid is a lysine derivative that inhibits plasmin activity and blocks melanocyte stimulation signals - a documented depigmenting agent, notably for dark circles of melanin origin («blue-gray» or «brown» circles). Glutathione is a powerful antioxidant tripeptide (L-cysteine + L-glutamate + glycine) that inhibits melanin synthesis by inhibiting tyrosinase. Spot score 72.25: consistent with this dual anti-melanin action. Sensitive skin +0.25: fragrance- and alcohol-free formula, well tolerated.

The 7 BeautyDecoded reviews are exceptionally clinically rich on pigmented dark circles. Documented results on Mediterranean pigmented dark circles: «I have naturally dark circles that are typically Mediterranean - big difference from the first tube». Effectiveness on visible blood vessels: «I have visible blood vessels around my eyes, and this cream blurs them a little». Most striking signal: «I used this product without really believing in it... but it really works and I really saw an improvement in the color of my pigmented dark circles for the first time!» A word of caution: one review documents the formation of two small pimples on morning application - consistent with a rich formula unsuitable for oily profiles (oily skin 0).

My analysis

«Tranexamic Acid + Glutathione Eye Cream is Mary & May's most documented product in BeautyDecoded (6 reviews, 5/5). Exceptional 72.25 spot score for an eye contour - validated by results on Mediterranean dark circles and visible vessels. Sensitive skin +0.25. Oily skin 0: avoid morning application on skin with an oily tendency (documented pimples). Evening use recommended.»

Verdict: TOP concealer catalog - Rated 5/5 out of 6 reviews. Dark spots 72.25. Sensitive skin +0.25. Pigmented dark circles documented. Vessels blurred. Oily skin 0: morning not recommended.

BeautyDecoded user reviews (6 reviews in total)

5.0/5  «Very effective - for pigmented dark circles I saw a big difference as soon as I used the first tube. Now it's become a must-have.»

5.0/5  «Nice and comfortable - this cream I've been using for 3 months every night. I have naturally dark circles which are typically Mediterranean.»

5.0/5  «Very good product - I have noticeable blood vessels around my eyes and this cream blurs them a bit. I will buy again.»

5.0/5  «A miracle - I have quite pronounced pigmented dark circles. I used this product without really believing in it... but it really works and I really saw an improvement in the color of my pigmented dark circles for the first time!»

5.0/5  «Great - divine scent! I've noticed that my dark circles have diminished considerably and my eye area is much brighter.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

6 Peptide Complex Serum - The K-Beauty Anti-Aging Serum with an unbeatable Q/P ratio

5.00/5  - 5 reviews BeautyDecoded | Price: ~€16-22

Main assets : 6 types of peptides (signaling + structural + copper) + AH + Adenosine

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Suitable for sensitive skin  (score : 0)

Expert deciphering

Anti-aging serum with 6 peptide complex. Oily skin score: 84 and normal to oily skin score: 91 - excellent. Dry skin score: 71.4 - good. Sensitive skin score: 0 - well adapted. Anti-aging score: 78.2 - very high, among the highest in the BeautyDecoded database for a K-beauty serum at this price. Score 5/5 out of 5 reviews.

6 Peptide Complex Serum combines 6 types of peptides from different families: signaling peptides (stimulate collagen and elastin production), transport peptides (copper tripeptide - regeneration), neurotransmitter-inhibiting peptides (reduce muscle contractions responsible for expression lines), and matrix peptides (rebuild the extracellular matrix). Anti-ageing score 78.2: consistent with this multi-peptide architecture. Sensitive skin 0: fragrance-, alcohol- and controversial ingredient-free formula. Important: the presence of copper peptide contraindicates association with vitamin C (documented oxidation).

The 5 BeautyDecoded reviews are unanimously positive, with formulartorially relevant precision. An expert opinion: «This cute little serum is a real peptide bomb! Texture? Light as a feather, fluid and absolutely non-greasy... 2nd bottle I've used - doesn't lint.» Honesty documented on attribution of effects: «I think it's effective, but as I apply several products, it's hard to say which ones are effective.» Active comparison signal with other peptide serums: «I try other peptide serums to compare» - K-beauty expert user profile.

Source : Gorouhi F, Maibach HI. Role of topical peptides in preventing or treating aged skin. Int J Cosmet Sci. 2009.

My analysis

«The 6 Peptide Complex Serum is the most outstanding anti-aging serum in the Mary & May catalog in BeautyDecoded - anti-aging 78.2 (among the highest in the K-beauty base at this price), sensitive skin 0, rating 5/5 out of 5 reviews. Expertly documented Q/P ratio. Warning: do not combine with vitamin C (copper peptide). Dry skin 71.4: correct. Oily skin 91: excellent.»

Verdict: TOP anti-âge K-beauty - Anti-âge 78.2. Rating 5/5 out of 5 reviews. Sensitive skin 0. Oily skin 91. Do not combine with vit. C (copper peptide). Exceptional Q/P (~16-22 €).

BeautyDecoded user reviews (5 reviews in total)

5.0/5  «A little jewel - this little serum is a real peptide bomb! Texture? Light as a feather, fluid and absolutely non-greasy. It's absorbed in no time.»

5.0/5  «Gentle and effective - I love this product. I'm trying other peptide serums to compare. Great value for money.»

5.0/5  «Very good serum - 2nd bottle I've used. Pleasant texture that penetrates quickly. No smell. Does not lint. I think it's effective but as I apply several products, it's hard to say which ones are effective.»

5.0/5  «My skin loves it - nice texture and moisturizing. I will definitely use it again.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Idebenone Blackberry Intense Cream - The powerful anti-oxidant for ageing

5.00/5  - 1 opinion BeautyDecoded | Price : ~22-30 €

Main assets : Idebenone 500 ppm + Black Mulberry Complex 63% + 5 types of ceramides + AH

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Slight caution recommended  (score: -0.25)

Expert deciphering

Intense cream with idebenone and blackberry complex. Oily skin score: 70 and normal to oily skin score: 77 - fair. Dry skin score: 51.8 - moderate. Sensitive skin score: -0.25 - almost suitable. Anti-aging score: 81.6 - the best anti-aging score in the Mary & May catalog in BeautyDecoded. Redness score: 51. Score 5/5 on 1 review.

Idebenone is a synthetic analogue of Coenzyme Q10 with considerably greater antioxidant activity (120 times more potent according to some studies). At 500 ppm, this concentration is formulatively significant. Black mulberry complex 63% provides polyphenols (anthocyanins, ellagic acid) with documented antioxidant and anti-melanin properties. Anti-ageing score 81.6: consistent with this idebenone + blackberry combination. The 5 types of ceramide strengthen the skin barrier. The brand excludes 7 ingredients: parabens, artificial fragrances, artificial colorants, alcohol, mineral oils, aggressive surfactants and allergens.

The only BeautyDecoded review (5/5) is clinically accurate: «Bought in mini format to test - rich, highly moisturizing cream. Light, pleasant scent. I apply it to my fine dehydration lines. My skin is nourished and plumped.» Signal format mini test before commitment - informed buyer behavior documented. 1 insufficient review.

My analysis

«Idebenone Blackberry Intense Cream has the highest anti-ageing score in the Mary & May catalog in BeautyDecoded (81.6) - idebenone 500 ppm + mulberry 63% + 5 ceramides. Score 5/5 on 1 review confirming hydration and plumping. Sensitive skin -0.25. Mini size available for testing. 1 review insufficient.»

Verdict: Best anti-aging catalog (81.6). Rating 5/5 (1 review). Idebenone 500 ppm. Blackberry 63%. 5 ceramides. Nourished and plumped confirmed. Sensitive skin -0.25. 1 review insufficient.

BeautyDecoded user reviews (1 review in total)

5.0/5  «Very good - bought in mini format to test. Rich cream, very moisturizing. Light and pleasant scent. I apply it to my fine dehydration lines. My skin is nourished and plumped.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Cica Houttuynia Tea Tree Calming Mask 30 sheets - Le Masque Anti-Acné Hormonale

5.00/5  - 1 review BeautyDecoded | Price : ~20-28 € € (in French)

Main assets : Houttuynia Cordata (40.7%) + Australian Tea Tree (6.8%) + Cica (Centella Asiatica)

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Suitable for sensitive skin  (score : 0.25)

Expert deciphering

Fabric mask with Houttuynia Cordata and Tea Tree. Oily skin score: 80.5 and normal to oily skin score: 80.5 - excellent. Dry skin score: 53.9 - moderate. Sensitive skin score: +0.25 - well adapted. Redness score: 63.75 - high, consistent with soothing positioning. Score 5/5 out of 1 review.

Houttuynia cordata (Yu Xing Cao in traditional Chinese medicine) at 40.7% is a powerful antibacterial, antiviral and anti-inflammatory active ingredient used in Asian phytotherapy for thousands of years. Australian Tea Tree at 6.8% (Melaleuca alternifolia) is the benchmark anti-acne active ingredient. Redness score 63.75: consistent with the anti-inflammatory mechanism of these two active ingredients. Sensitive skin +0.25: formulatory result - despite powerful active ingredients, the formula is well tolerated.

The only BeautyDecoded review (5/5) is clinically remarkable: «as I have hormonal acne, I've noticed a real soothing effect: inflammation is calmed and the skin is less reactive after use. I've tested other masks from the same brand and this is clearly the one that suits me best.» Intra-brand comparison signal documented (tested several Mary & May masks). Specific signal: hormonal acne - usual profile of adult women with active hormonal cycle. 1 insufficient review.

My analysis

«Cica Houttuynia Tea Tree Calming Mask is Mary & May's reference anti-acne hormonal mask in BeautyDecoded - redness 63.75, sensitive skin +0.25, rating 5/5 out of 1 reviews documenting a soothing effect on hormonal acne. Houttuynia 40.7% + Tea Tree 6.8% - high concentrations documented. Oily skin 80.5. Intra-brand comparison: «the best of the Mary & May masks tested». 1 insufficient review.»

Verdict: Hormonal acne mask - Note 5/5 (1 review). Redness 63.75. Sensitive skin +0.25. Houttuynia 40.7% + Tea Tree 6.8%. Calmed inflammation confirmed. Best in-brand mask. Oily skin 80.5.

BeautyDecoded user reviews (1 review in total)

5.0/5  «Very good - very satisfied with this fabric mask. Having hormonal acne, I notice a real soothing effect: the inflammation is calmed and the skin is less reactive after use. I've tested other masks from the same brand and this is clearly the one that suits me best.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Peptide Bakuchiol Sun Stick SPF50+ PA++++ - Le Solaire Anti-Âge Nomade

5.00/5  - 1 review BeautyDecoded | Price : ~18-26 € € for the moment

Main assets : Bakuchiol + 25 types of peptides + Tocopherol + UV filters SPF50+ PA++++ without controversial filters

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Slight caution recommended  (score: -0.25)

Expert deciphering

Vegan SPF50+ Sun Stick PA++++ with bakuchiol and 25 peptides. Dry skin score: 84 and normal to dry skin score: 91 - excellent. Oily skin score: 0 - unsuitable (solid stick format). Sensitive skin score: -0.25 - almost suitable. Anti-ageing score: 52.7. Score 5/5 on 1 review.

Bakuchiol is a plant extract of Psoralea corylifolia - a natural alternative to retinol, documented for anti-wrinkle, firming and regenerating properties without the irritation of retinoids. The formula incorporates 25 types of anti-aging peptides - an exceptional concentration in a suncare product. 52.7 anti-aging score for a suncare product: high - consistent with this multi-active architecture. Stick format: practical for reapplication during the day without touching the face. Oxybenzone-, octinoxate- and benzophenone-free filters - reef-friendly.

The only BeautyDecoded review (5/5) is precise and practical: «This sunblock never leaves my handbag. So handy for reapplying sun protection at any time of day. Plus it has an anti-aging action thanks to bakuchiol and peptides, and it smells amazing!» Daily use signal integrated in the bag confirmed - nomadic solar reference. 1 insufficient review.

My analysis

«Peptide Bakuchiol Sun Stick SPF50+ is the most innovative anti-aging sunscreen in the Mary & May catalog in BeautyDecoded - anti-aging 52.7, nomad stick format confirmed, rated 5/5 out of 1 review. Bakuchiol + 25 peptides in a sunscreen: unique architecture. Reef-friendly filters. Sensitive skin -0.25. Oily skin 0: unsuitable (stick texture). 1 insufficient review.»

Verdict: Nomadic anti-aging suncare - Rated 5/5 (1 review). Anti-aging 52.7. Bakuchiol + 25 peptides. Handbag stick format. Reef-friendly filters. Dry skin 84. Oily skin 0.

BeautyDecoded user reviews (1 review in total)

5.0/5  «Super sunblock - this sunblock never leaves my handbag. So handy for reapplying sun protection at any time of day. Plus it has an anti-aging action thanks to bakuchiol and peptides, and it smells amazing!»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Collagen Peptide Vital Mask 30 sheets - The Anti-Aging Moisturizing Mask

4.00/5  - 1 review BeautyDecoded | Price : ~18-25 € € (excl. VAT)

Main assets : Marine collagen + 6 types of peptides + Adenosine + anti-aging firming agents

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Suitable for sensitive skin  (score : 0)

Expert deciphering

Fabric mask with collagen and 6 peptides (30 sheets). Oily skin score: 84 and normal to oily skin score: 84 - excellent. Dry skin score: 43.4 - unsuitable. Sensitive skin score: 0 - well adapted. Anti-ageing score: 59.5. Score 4/5 on 1 review.

Topically applied marine collagen acts primarily as a humectant (attracts water) rather than as an endogenous collagen stimulator - its large molecular size limits deep cutaneous penetration. The beauty of this mask lies in its combination with 6 signal peptides, which penetrate and stimulate collagen and elastin synthesis. Anti-aging score 59.5: high for a tissue mask. 30-sheet format in large box: hygienic with integrated clip.

The only BeautyDecoded review (4/5) is honest and precise: «Very good cloth masks - small integrated clip for greater hygiene. I leave them on for 20 minutes. My skin is moisturized, plumped and more radiant. Smells very good, but unfortunately for me the fragrance is a bit heady.» Fragrance feedback: the only limitation identified is the overpowering fragrance. 1 insufficient review.

My analysis

«Collagen Peptide Vital Mask is an effective anti-aging mask for oily to combination skin - anti-aging 59.5, sensitive skin 0, rating 4/5. Moisturized, plumped and radiant skin confirmed. Fragrance cue: heady for a profile. Integrated hygienic clip format appreciated. Dry skin 43.4: unsuitable. 1 insufficient review.»

Verdict: Anti-aging mask for oily skin - Rated 4/5 (1 review). Anti-ageing 59.5. Sensitive skin 0. Plumped and radiant confirmed. Heady fragrance for 1 profile. Dry skin 43.4: unsuitable.

BeautyDecoded user reviews (1 review in total)

4.0/5  «Good - very good cloth masks. Small clip integrated to make it more hygienic. I leave on for 20 minutes. My skin is moisturized, plumped and more radiant. Smells great, but unfortunately for me the fragrance is a bit heady.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Idebenone + Blackberry Complex Serum - Antioxidant Serum for Oily Skin

4.00/5  - 1 review BeautyDecoded | Price : ~18-25 € € (excl. VAT)

Main assets : Idebenone + Black Mulberry Complex + Acai Oil + antioxidants

BeautyDecoded algorithmic scores

Verdict Sensitivity (Dr David rule) : Suitable for sensitive skin  (score : 0)

Expert deciphering

Antioxidant serum with idebenone and blackberry complex. Oily skin score: 80.5 and normal to oily skin score: 87.5 - excellent. Dry skin score: 62.3 - fair. Sensitive skin score: 0 - well adapted. Anti-ageing score: 39.1. Score 4/5 on 1 review.

This serum is the light serum version of Idebenone Blackberry Intense Cream - same antioxidant actives but lighter texture. Oily skin score 80.5 vs. 70 for the cream: the serum is better suited to oily to combination skin profiles. Anti-aging score 39.1 vs. 81.6 for the cream: the cream is much more concentrated. Sensitive skin 0: same tolerance.

The only BeautyDecoded review (4/5) is honest and intra-brand comparative: «pleasant but a little light - I thought the serum would be greasy since it contains acai oil, but no. Penetrates well, but I prefer the peptide version of the same brand. Penetrates well, but I prefer the peptide version from the same brand.» Comparison signal 6 Peptide Complex vs Idebenone Sérum: the user prefers the peptide serum. Signal on textural expectations corrected (acai oil does not make the serum greasy). 1 insufficient review.

My analysis

«Idebenone Blackberry Serum is a light antioxidant for oily to combination skin - oily skin 80.5, sensitive skin 0, rated 4/5 out of 1 review. Intra-brand comparison: user prefers 6 Peptide Complex. Anti-ageing 39.1 (the cream is more concentrated: 81.6). Light texture despite acai oil confirmed. 1 insufficient review.»

Verdict: Antioxidant serum for oily skin - Rated 4/5 (1 review). Oily skin 80.5. Sensitive skin 0. Anti-aging 39.1. «Prefers peptides version» - intra-brand comparison. Light texture confirmed.

BeautyDecoded user reviews (1 review in total)

4.0/5  «Pleasant but a little light - I thought the serum would be oily given that it contains acai oil, and well, no. Penetrates well, but I prefer the peptide version from the same brand.»

Note on BeautyDecoded reviews: the ratings and review excerpts displayed on this page come from users of the BeautyDecoded application. These reviews are not verified. Publication dates and review details are available on each product sheet.

Mary & May vs K-beauty alternatives - positioning in Korean clean beauty

Mary & May is positioned as the K-beauty brand that democratizes premium dermo-cosmetic active ingredients (idebenone, tranexamic acid, copper peptides) at K-beauty prices. Vs COSRX: fewer reviews but more formulatively advanced active ingredients. Vs Beauty of Joseon: fewer reviews but higher active concentrations. Its strongest signal in BeautyDecoded: 6 Peptide Complex Serum (anti-aging 78.2 at ~€16-22) scores comparable to premium serums at €80-150 - confirmed by 5 converging positive reviews.

Frequently asked questions - Mary & May reviews

Is Mary & May a good brand?

Mary & May is one of the marques K-beauty clean beauty best documented in BeautyDecoded - 7 products listed, 16 reviews, average rating 4.86/5. Its philosophy of purified formulas with highly concentrated active ingredients (idebenone, tranexamic acid, glutathione, 6 peptides) at affordable K-beauty prices (~€15-30) is validated by the data. The Eye Cream Acide Tranexamique (6 reviews, 5/5) with documented results on Mediterranean dark circles, and the 6 Peptide Complex Serum (anti-aging 78.2 - comparable to premium) are the two most significant products. All products are vegan, fragrance-free and made in Korea.

Is Mary & May Eye Cream with tranexamic acid effective on dark circles?

This is the strongest signal from the BeautyDecoded base on Mary & May. Of the 6 reviews of Eye Cream Tranexamic Acid + Glutathione, 5 document a visible reduction in pigmented dark circles - including on profiles with «typical Mediterranean» dark circles and visible vessels. One review explicitly states «I've been using this product without really believing in it... but it really works and I've actually seen an improvement in the color of my pigmented dark circles for the first time.» The mechanism is clinically sound: tranexamic acid blocks melanocyte stimulation signals, and glutathione inhibits tyrosinase. Spot score 72.25 - exceptional for an eye contour product.

Can 6 Peptide Complex Serum be combined with vitamin C?

No - this combination is contraindicated. 6 Peptide Complex Serum contains copper tripeptide-1 (copper peptide). The presence of copper and vitamin C in the same routine causes an oxidation reaction which inactivates both active ingredients simultaneously, rendering them ineffective. This contraindication is documented by official Mary & May retailers. If your routine includes a vitamin C serum, use it in the morning and reserve the 6 Peptide Complex Serum for the evening, or vice versa.

What's the difference between 6 Peptide Complex Serum and Mary & May's Idebenone Serum?

Both Mary & May serums target anti-aging, but with different mechanisms. 6 Peptide Complex Serum (anti-aging 78.2, oily skin 91) stimulates collagen and elastin production via 6 types of peptides - its action is structural. Idebenone + Blackberry Serum (anti-aging 39.1, oily skin 80.5) is a powerful antioxidant that neutralizes free radicals - its action is protective. In BeautyDecoded, a review directly compares the two and prefers 6 Peptide Complex. Both have sensitive skin 0 - well tolerated.

Where to buy Mary & May in France

Mary & May is not distributed in French pharmacies or supermarkets. Available points of purchase are: YesStyle, StyleVana, Koshi Cosmetics, K-Beauty Cosmetics, Pibukare, and Amazon.fr (authorized sellers). The official marymay.co.kr website also offers international delivery. Beware of counterfeits on unauthorized marketplaces - Mary & May recommends its official retailers. Prices range from €15 to €30, depending on the product, with excellent value for money.

What is the BeautyDecoded application?

BeautyDecoded uses artificial intelligence to help you choose the right cosmetics for your skin type. The application analyzes INCI formulations and generates compatibility scores for 80 skin types. 7 Mary & May products are referenced with 16 reviews. The strongest signal: the 6 reviews of Eye Cream Tranexamique document results on Mediterranean dark circles - data impossible to produce without real BeautyDecoded reviews. It does not constitute a medical consultation.

BeautyDecoded - The science of skin. Without marketing.

Information for educational purposes only. This information does not replace a medical consultation. Dr Sylvain David, Plastic Surgeon, Researcher and Youtuber.