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For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

SH-POLYPEPTIDE-121 — Skincare Ingredient Guide — Dermasift — Dermasift

SH-POLYPEPTIDE-121

1% line markerAI-analyzed

skin conditioninganti-aging agentcell communicating ingredient

What it does

A synthetic human polypeptide designed to mimic natural growth factors, often used in anti-aging and regenerative skincare to support skin repair, collagen production, and overall skin vitality.

Skin Concerns

Beneficial for

agingfine lineswrinklessaggingtexturedullnesssun damageuneven tonedryness

Safety & Science

Safety summary

Generally considered safe for cosmetic use, with a low potential for irritation or sensitization. As a bio-mimetic ingredient, it is well-tolerated by the skin.

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

At a Glance

INCI Name: SH-POLYPEPTIDE-121
Functions: skin conditioning, anti-aging agent, cell communicating ingredient
Products: 10 products

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.