Tetrapeptide-1
Tetrapeptide-1
TET
8/10
Concern level
High concern
Peptide Compound
Synthetic tetrapeptide used as a cosmetic skin-conditioning active. Public ingredient databases and supplier documentation describe it as a bioactive peptide used in cosmetic formulations, and a commonly cited molecular weight is about 428.5 g/mol. ([madebygenie.com](https://www.madebygenie.com/ingredients/tetrapeptide-1?utm_source=openai))
Pore-clogging
Non-comedogenic
Pregnancy
Safe
Regulatory
No data
Benefits
Anti-agingSupports Barrier Function
Chemical Properties
Molecular Weight
428.5 g/mol pH Range
4.50 - 7.50Typical Concentration
0.00% - 0.05%CAS Number: 1632354-04-1
Skin Type Compatibility
dry skin7/10
oily skin6/10
sensitive skin7/10
acne prone6/10
mature skin9/10
normal skin8/10
Interactions
incompatible with:
Risks & Warnings
Generally low risk, with the main concern being individual irritation or formula incompatibility. As a peptide, it is typically considered non-comedogenic and unlikely to cause systemic concerns at cosmetic use levels; however, robust open safety data are limited. ([madebygenie.com](https://www.madebygenie.com/ingredients/tetrapeptide-1?utm_source=openai))
Vegan Cruelty-Free
