COSMETIC LENS
All ingredients
Active Ingredients

Retinol

视黄醇

Also known as: Vitamin A

Retinol structure
STRUCTURE Retinol · PubChem CID 445354

What it does

  • Accelerates cell turnover
  • Stimulates collagen production
  • Reduces fine lines and wrinkles
  • Helps with acne
  • Fades hyperpigmentation

Effective concentration

Beginner 0.25-0.3% Intermediate 0.5% Advanced 1%

Start low and increase gradually. Higher isn't always better.

Evidence

Strong evidence

Gold standard anti-aging ingredient with decades of research.

Skin types

Well suited for: Normal Oily Combination
Use with caution: Sensitive Dry Rosacea Eczema

Requires careful introduction. Use sunscreen during the day.

Helps with

Aging & Fine Lines Fine Lines Wrinkles Acne & Breakouts Dark Spots & Hyperpigmentation

Interactions

Use with care AHAs/BHAs

Using together can increase irritation. Best to alternate nights.

Use with care Benzoyl Peroxide

Can oxidize and deactivate retinol. Use at different times.

Irritation potential
Medium To High
Comedogenic rating
0 / 5
Pregnancy
Avoid during pregnancy

AVOID during pregnancy. Use bakuchiol or azelaic acid instead.

Good to know

Most proven anti-aging ingredient. Results take 3-6 months. Always use SPF.

References

Compound data from PubChem (U.S. National Library of Medicine).

Further reading

Selected peer-reviewed reviews on this ingredient, indexed by Europe PMC. Provided as background, not proof of any specific claim.

Related ingredients

Tretinoin Retinal Bakuchiol Niacinamide Palmitoyl Pentapeptide-4 Ascorbic Acid

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Educational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.