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INCI: ACETYL TETRAPEPTIDE-9
A synthetic peptide that stimulates the synthesis of lumican and collagen I, improving skin density, firmness, and elasticity, making it beneficial for anti-aging formulations.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.