Facial care at 40 - the right routine and active ingredients according to a doctor and analyses by BeautyDecoders.
At 40, age is not a skin type: skin condition depends above all on lifestyle habits and past sun exposure. Collagen has clearly diminished and the skin is dehydrated. Three adjustments are required: increasingly gentle cleansers, increasingly rich creams, and collagen-boosting active ingredients (retinol, vitamin C, glycolic acid). Then adapt according to your specific needs: fine lines, blemishes, redness.
Age is not a skin type
In your forties, different skin problems can arise depending on your life history. Skin condition and ageing depend above all on your habits and skincare routine: someone who has been exposed to a lot of sun will have very different skin to someone who has been protected from it all their life. One thing's for sure: collagen has begun to diminish and skin is becoming drier.
Three changes to be made as we age
Gentler cleaners
We are gradually abandoning stripping formulas in favor of increasingly gentle cleansers.
Richer creams
We enrich the texture gradually, without going from gel-cream to very rich cream all at once.
Pro-collagen active ingredients
We incorporate active ingredients that stimulate collagen (retinol, vitamin C, glycolic acid).
Some people feel this change in their late thirties, others in their fifties. We adjust according to the actual state of our skin, not according to the number on our ID card.
Antioxidants against free radicals
By the age of 40, the first fine lines appear, and sometimes spots (due to pregnancy or sun exposure). Pure vitamin C is the ideal active ingredient on both fronts: a powerful antioxidant, it fights free radicals, slows down melanin and promotes collagen. It's also one of the most difficult active ingredients to formulate, which is why a well-designed serum (vitamin C + E + ferulic acid) is so useful.
Paula's Choice C15 Super Booster
Antioxidant trio - spots & radiance
Vitamin C 15 % serum combined with vitamin E and ferulic acid, a benchmark antioxidant trio that evens skin tone and fights blemishes. Anti-aging and dark spots scores 90,1. Sensitive skin score -2.0 - unsuitable, To be applied in the morning before SPF. Stable formula (opaque, airtight bottle), effective on brown spots according to feedback from mature skin.
Glycolic acid for a luminous complexion
At 40, the complexion becomes duller as the skin takes longer to eliminate dead cells. Glycolic acid is the most powerful and most studied of the AHAs: it stimulates collagen as well as exfoliating. Avoid the two extremes (too much = irritation, too little = rough skin): once to four times a week, depending on tolerance. Alternatively, lactic acid or, for sensitive skin, PHA (gluconolactone).
The Ordinary Glycolic Acid 7% Toning Solution
Most studied AHA - tolerant skin
Glycolic acid 7 % exfoliating lotion (pH 3.6), with soothing aloe vera and ginseng, refines skin texture and brightens the complexion at an unbeatable price. Anti-aging score 85. Sensitive skin score -5.5 - not suitable, reserved for tolerant skin, every other night, alternating with retinol, but never on the same night. A skincare revelation, according to many loyal customers.
Retinol, the anti-aging active ingredient reference
Retinol is the most effective active ingredient against wrinkles and spots, but also the most irritating. At age 40, if you're already using it, you can increase the concentration or switch to retinal (a faster-acting form). Start with a low frequency, in the evening, never in the morning, with a mandatory SPF the next day. For very sensitive skin, peptides or antioxidant serums are an alternative.
The Ordinary Retinal 0.2% Emulsion
Concentration confirmed - retinoid regulars
Retinal emulsion 0.2 %, intermediate to confirmed concentration, ideal for 40-year-olds already accustomed to retinoids, with an excellent anti-ageing score (93,5). Sensitive skin score -2.85 - unsuitable, To be introduced every other evening. Fluid texture superior to many competitors according to feedback; it can dry out, hence a cautious build-up and an SPF in the morning.
Visit eye contour
Over time, dynamic wrinkles around the eyes and forehead become more pronounced. This is a very fine area that needs to be moisturized and protected early on. You can apply retinol or facial vitamin C, or a targeted skin care product. To find out more, see our guide eye contour care.
Beauty of Joseon Revive Eye Serum Ginseng + Retinal
Contour lines - combine with moisturizer
Eye contour serum with ginseng and retinal, both moisturizing and anti-aging, perfect for fine lines in the area that quickly becomes noticeable at age 40. Anti-aging score 90,1. Sensitive skin score -2.2 - unsuitable on this fine zone, to be combined with a moisturizing contour cream. Effective on fine lines, according to many loyal customers; retinal can be drying, so pair with a moisturizer.
Targeted care for your issues
At 40, we choose our serums according to our main skin problems rather than our age - spots and hyperpigmentation on the one hand, redness and sensitized skin on the other.
Spots and hyperpigmentation
Pure vitamin C in the morning is effective. On sensitive skin or skin prone to redness, a vitamin C derivative or a serum containing tranexamic acid (useful in cases of melasma) and niacinamide acts on pigmentation without irritating. Azelaic acid acts on both blemishes and imperfections.
La Roche-Posay Mela B3 Anti-Spot Serum
Best spot score - hyperpigmentation
Anti-spot serum with melasyl acid and niacinamide, targeting hyperpigmentation and recurrent spots, with the best spot score in the selection (90,1). Sensitive skin score -1.35 - slight caution. Particularly effective on acne scars and dark spots, according to feedback; results on mature spots require patience.
Redness and sensitized skin
If the skin has become sensitized over time or shows signs of redness, we limit the use of irritating active ingredients and prefer soothing serums with short formulas. Centella asiatica or propolis moisturize, soothe and give radiance, with a reduced risk of reaction thanks to their minimalist composition.
Skin1004 Madagascar Centella Ampoule
Soothing - reactive skin & redness
Ampoule serum with centella asiatica, a benchmark soothing active ingredient, in a short formula that moisturizes and calms reactive skin prone to redness. Sensitive skin score +0,5, redness 68. Gentle, soothing and quickly absorbed according to feedback, perfect when skin is sensitized; some users find it insufficiently moisturizing on its own, to be superimposed with a cream.
Sun protection, every day
The sun is the leading cause of skin aging: UVB rays cause sunburn and cancer, while UVA rays destroy collagen fibers deep down, creating wrinkles and sagging. A daily SPF 50 is the most cost-effective anti-aging measure, all the more so with retinol, which sensitizes the skin.
Beauty of Joseon Relief Sun Rice + Probiotics SPF50+ - The best of both worlds
Daily SPF - the most profitable gesture
A fluid, moisturizing SPF50+ sunscreen with no greasy finish or white streaks, ideal for everyday use and under make-up. Sensitive skin score +0.5 - adapted. Lightweight and fast-penetrating, it's the most important anti-ageing gesture at any age.
Build your 40-year routine 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.
Your questions about routine at 40
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Your routine every decade
Information for educational purposes only. It does not replace a medical consultation and must be adapted to each individual. The compatibility scores generated by the application do not prejudge the individual tolerance of each skin type. Retinol, vitamin C and exfoliating acids are introduced gradually, are not added on the same evening, and require daily sun protection. In the event of pregnancy, breast-feeding, melasma, skin pathology or doubt, dermatological advice is recommended. A tolerance test should be carried out before using the product for the first time.