Retinol
INCI: Retinol · CAS: 68-26-8
The gold-standard over-the-counter retinoid. Boosts cell turnover, smooths fine lines, and fades discoloration. Can irritate - start 2–3×/week.
ComedogenicDescribes any ingredient, cosmetic, or skincare product that tends to clog pores. Scored 0 (non-comedogenic) to 5 (highly likely to clog pores).
-
IrritancyRefers to the state or quality of being irritating, provoking annoyance, or causing physical discomfort. Scored 0 (well tolerated) to 5 (likely to irritate sensitive skin).
3 / 5
EWGThe Environmental Working Group operates the EWG Skin Deep® Cosmetics Database, which evaluates the safety of tens of thousands of personal care products. Scored 0–10 based on hazard level: 0–2 low hazard, 3–6 moderate, 7–10 high.
9 / 10
Functions
active, anti-aging
Functions in a formula
- active
- anti-aging
Possible concerns
Suitable for skin types
- Normal
- Oily
- Combination
Also listed as
All-trans Retinol · Vitamin A
Our matcher recognises all of these names automatically.
This page is continuously reviewed. Last updated 7/1/2026.
Informational only - not medical advice. See methodology.