["Peptides"]
Tripeptide-1
Firming, rejuvenating, repairing
Key Benefits
- Supports firmer-looking skin
- Helps soften visible fine lines
- Promotes a smoother texture
- Complements restorative routines
How It Works
Ingredient Details
INCI Name: Tripeptide-1
Ingredient Type: ["Signal peptide","Synthetic tripeptide"]
Best For
Normal skin · Dry skin · Combination skin · Mature skin
What It Is
What It Does
Tripeptide-1 FAQs
Common questions about this ingredient in skincare.
What is Tripeptide-1?
It is the three-amino-acid peptide glycine-histidine-lysine, or GHK, used in cosmetics as a signal peptide.
Is Tripeptide-1 the same as Copper Tripeptide-1?
No. They share the GHK peptide sequence, but Copper Tripeptide-1 is a copper complex and has a separate INCI name.
What does it do for skin?
It supports formulas intended to improve the visible look of firmness, fine lines, and texture over time.
Can it replace collagen?
No. A topical peptide does not replace the skin’s structural collagen. Its proposed role is signaling and cosmetic support.
Can I use it with retinoids or vitamin C?
It is usually compatible, although very low-pH or irritating routines may affect comfort or product stability. Follow the manufacturer’s directions.
Is it suitable for sensitive skin?
Peptides are often well tolerated, but patch-testing the complete formula is sensible for reactive skin.
Shop the ingredient
Products Featuring Tripeptide-1
