Palmitoyl Tripeptide-1

Palmitoyl tripeptide-1 is a palmitic-acid-linked signaling peptide used in cosmetic formulations. Leave-on products include it to improve the look of smooth texture and a firmer feel with continued use.
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Snapshot

Overview
A signaling peptide that helps soften fine lines and firm skin's look.
Category
Anti-aging, Firming, Skin Conditioning, Tone/Texture
Type
Peptide

Ratings

Overall Rating

Good

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

Is Palmitoyl Tripeptide-1 a Good Ingredient?

Rated Good on the strength of small human studies and long-standing cosmetic use showing modest line-smoothing; the palmitoyl group also improves stability and skin affinity, with typically low irritation. Its modest, incremental evidence base is what keeps it from a higher rating.

Skin Benefits

Helps soften the appearance of fine lines and promotes a bouncier, more supple look over time. Supports a smoother-looking complexion with regular use.

Uses in Skincare & Cosmetics

Often included in eye treatments, moisturizing lotions, and leave-on serums. Also found in richer night creams targeting visible lines.

Safety

Generally well tolerated in leave-on products; irritation is uncommon but possible for very sensitive skin. Patch test if you're reactive; no specific regulatory limits commonly noted.