Retinyl Palmitate
The mildest and most common vitamin A ester, several conversion steps from the active form, which makes it the weakest of the retinoids. It is stable and gentle but poorly evidenced on its own, and shows up more often as a supporting line on an INCI list than as a serum headline active. Because the effective dose that reaches skin is small, it is best treated as a mild conditioning ingredient rather than a substitute for retinol or a prescription retinoid.
Studied for
- ·The appearance of fine lines
- ·The look of conditioned skin
- ·The look of a very mild, well-tolerated entry point into retinoid use
How it’s thought to work
Must convert through several steps to reach the active form, so relatively little active reaches the skin; studied mostly as a gentle, stable supporting retinoid rather than a headline one. Its main practical advantage is tolerability, since the multi-step conversion keeps the truly active retinoic acid at very low concentrations at the skin level.
In a small split-face trial, creams containing retinyl palmitate were linked to a modest reduction in the look of facial surface wrinkling after 60 days.
Comparative efficacy of two anti-aging products containing retinyl palmitate in healthy human volunteers. Journal of Cosmetic Dermatology, 2018.
View on PubMed (PMID 29363259) ↗Questions
- Is retinyl palmitate a real retinoid?
- Technically yes, it is a vitamin A ester, but it needs several conversion steps to reach retinoic acid, so very little active reaches the skin. Most formulators treat it as a mild conditioning ingredient rather than a serum headline active.
- Why do I see it on so many ingredient lists?
- It is stable, inexpensive and well tolerated, so it is an easy, low-risk addition to a broader formula, even though its own appearance evidence is thin compared with retinol or retinaldehyde.
- Should I look for something stronger?
- If fine lines and texture are the goal and skin tolerates it, retinol or retinaldehyde have a considerably stronger and better-documented cosmetic record than retinyl palmitate alone.