Palmitoyl Dipeptide-6 is a lipopeptide cosmetic ingredient that mimics retinol-like effects by stimulating key skin renewal pathways without the irritation typically associated with retinoids. It activates retinoid-like signaling in keratinocytes and fibroblasts.
Category: Skin & Cosmetic. Evidence rating: D (animal/preclinical only).
Clinical status: Cosmetic ingredient. In vitro and small clinical cosmetic studies.
Activates retinoid-like signaling pathways in keratinocytes and fibroblasts, promoting epidermal renewal and dermal matrix protein synthesis without binding directly to retinoid receptors. This avoids the irritation, photosensitivity, and dryness associated with retinol.
Safety considerations: Well-tolerated topically; No photosensitivity (unlike retinol); Suitable for sensitive skin types.
Reviewed by the PeptideAtlas Editorial Team.
| Production method | synthetic |
|---|---|
| US regulatory status | Cosmetic ingredient. |
Related peptides: GHK, Pal-AHK.
It aims to provide retinol-like benefits without irritation, but the evidence base is much smaller than retinol. It may be a gentler alternative for sensitive skin but should not be considered equivalent to prescription retinoids.
Palmitoyl Dipeptide-6 is a lipopeptide cosmetic ingredient that mimics retinol-like effects by stimulating key skin renewal pathways without the irritation associated with retinoids.
PALMITOYL DIPEPTIDE-6 has been studied for: Retinol-like skin renewal, Cell turnover, Anti-aging effects, Non-irritating alternative. Cosmetic peptide; marketed as retinol alternative with reduced irritation potential.
Activates retinoid-like signaling pathways in keratinocytes and fibroblasts, promoting epidermal renewal and dermal matrix protein synthesis without binding retinoid receptors directly.