Snapshot
- Overview
- A lab-made peptide added to anti-aging formulas to help condition skin.
- Category
- Anti-aging, Skin Conditioning, Soothing
- Type
- Peptide
Tetrapeptide-1
Tetrapeptide-1 is a lab-designed chain of four amino acids formulated for water-based skincare. It's included to condition skin in anti-aging routines and as a gentle add-on in serums and creams, though solid, independent efficacy data remain limited.
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Our take
Is Tetrapeptide-1 a Good Ingredient?
It rates Fair because the line-softening benefits rely largely on preliminary or supplier studies rather than independent research, so expectations should stay modest. Minor sensitization or stinging can occur in some users, adding a small tolerability caveat.
What it does
Skin Benefits
May soften the look of fine lines and support a smoother, more resilient complexion. Evidence independent of supplier data is modest.
Where you'll find it
Uses in Skincare & Cosmetics
Used in essences, eye gels, and lightweight serums to complement actives or round out hydrating routines.
Before you use it
Safety
Generally well tolerated in leave-on formulas with low irritation likelihood. Patch test if you have sensitive skin. No widely recognized cosmetic regulatory restrictions.
Products with Tetrapeptide-1
