What Is Resveratrol? How Strong Is the Evidence in Skin Care?
Other names: Trans-Resveratrol
Resveratrol is a polyphenol found in plants such as grape skin, known for its antioxidant effect. Although presented in creams as anti-ageing, the evidence is limited: laboratory and animal data are abundant, human studies are few, and most are in combined formulas. In a new trial with a 1,5% cream alone, it did not outperform placebo on wrinkles.
At a glance
- INCI name
- Resveratrol
- Type
- Polyphenol from the stilbene group, antioxidant
- Source
- Known from grape skin and red wine; also found in other plants
- Concentrations studied
- 1-1,5% in cream and gel; very little single-agent data
- Evidence level
- Few human studies, most of them combined formulas or manufacturer-supported
- Caution
- Easily degraded by UV; an increase in sebum with the cream has been reported
What's on this page?
Resveratrol gained its reputation not from skin research but from discussions of red wine and longevity. It is a small polyphenol that plants produce in response to stress, and it has two forms, trans and cis. The biologically active form is considered to be trans. In cell experiments it reduces oxidative stress through free radicals, and affects inflammatory signals and melanin production. The rest of this page concerns how much of these effects reach the face through a jar of cream.
Why does it struggle in a cream when it is strong in the lab?
Four barriers stand between the effect seen in the lab and the product.
- Light: Under UV the trans form converts to the cis form. Some studies report this conversion happening within 1-2 hours in light.
- Heat and pH: High pH and temperature also reduce stability.
- Solubility: It dissolves poorly in water, so special carrier systems are being developed to add it to creams and serums.
- Data gap: Most research is in cells, in animals or in ex vivo skin models. Studies of nano-carriers showing better absorption do not mean a visible result on the skin.
In one gel study, no conversion to the cis form was seen after 30 days at 4 °C. This shows that stability can be achieved with the right formula and storage, but it does not say the same for every product left at room conditions.
What did human studies on resveratrol find?
| Study | Product | Finding | Why be cautious? |
|---|---|---|---|
| Placebo-controlled, women over 40, 122 people completed, 8 weeks | 1,5% cream, capsule, or both | Total wrinkles: placebo -6,3%, cream -7,8% (no significant difference), cream and capsule -11,9% (significant). Pigmentation decreased more in the cream groups | Financed by the raw material manufacturer; no difference in moisture and elasticity |
| Photoaged skin, 12 weeks | 1% resveratrol, 0,5% baicalin, 1% vitamin E | Improvement from baseline in lines, firmness and tone; dermal thickness in the under-eye area increased by an average of 18,9% | No placebo group, combined formula |
| Acne pilot, 20 people, 60 days, half face | Resveratrol gel on one side, empty gel on the other | Acne score fell by 53,8 and 6,1, microcomedones fell by 66,7 and 9,7 | Single-blind, small; the authors themselves call it a pilot |
| After CO2 laser, 51 people, 14 days, half face | Resveratrol serum on one side and a serum with vitamin C and ferulic acid, saline on the opposite side | Redness, melanin and moisture better | Manufacturer-supported; the effect cannot be attributed to resveratrol alone |
The best-designed entry in the table belongs to the first study, and the critical line is this: the cream alone did not differ from placebo on wrinkles. The difference appeared when the cream and the oral capsule were used together. The fact that the placebo group also improved reminds us of the contribution of the base cream and regular care.
Unexpected finding: Sebum increase with the cream
In the same study, sebum on the cheek and chin increased markedly in the cream groups: at week eight, +88,7% in the cream-only group and +34,7% in the placebo group. This may matter for skin prone to greasiness. The positive result of the acne pilot seems to contradict this at first glance, and there is no larger study that reconciles the two. Resveratrol cream is not considered a treatment option for acne; for persistent or deep acne, see a dermatologist.
Is resveratrol cream worth buying?
If the appearance of ageing is your priority, there are options with more human data: retinol and vitamin C have been much better studied for this, especially together with sun protection. Resveratrol should be seen as an additional antioxidant alongside them. Still, if you want to try it:
- Because it is light-sensitive, choose dark-coloured, airtight packaging and store it in a cool place.
- Using it in the evening is a reasonable starting point for reducing UV-induced degradation; this is an example drawn from these studies, not a proven rule.
- Wait at least 6 weeks for a change in appearance; if you feel increased sebum, consider stopping.
- Before applying it to your face, try it on the inner arm or elbow crease, twice a day, for 7-10 days.
- The EU cosmetics regulation's restricted substances annexes have no separate record for it, so the percentage on a label rests on formula choice rather than on a legal ceiling.
- Consult your doctor before use during pregnancy and breastfeeding. Capsule form is a supplement, not a cosmetic; if you take medications, your doctor should know.
This page is for general information only and does not replace medical diagnosis or treatment. If you have an ongoing skin or scalp problem, consult a dermatologist.