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R-TETRAPEPTIDE-38 HEXAPEPTIDE-40 NONAPEPTIDE-39 SH-POLYPEPTIDE-105.

Insufficient Data / HAIR CONDITIONING

This complex of R-Tetrapeptide-38, Hexapeptide-40, Nonapeptide-39, and SH-Polypeptide-105 acts as a signaling agent, stimulating the skin's endogenous repair mechanisms and promoting protein production. It aims to revitalize mature skin, enhance structural integrity, and visibly reduce wrinkles, while also benefiting hair strength.

Hair Conditioning Skin Conditioning Anti-aging Collagen Boosting Skin Regeneration Skin Elasticity Enhancer

Science

Acting as biomimetic messengers, this peptide complex signals skin cells to activate inherent repair processes and stimulate the slower regeneration characteristic of mature skin. This cellular communication strengthens skin structure, contributes to a visible reduction in wrinkles, and supports the production of vital proteins such as collagen. In haircare applications, the complex can penetrate the inner hair structure, known as the cortex, to enhance internal hair strength.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

While no specific CIR, SCCS, or FDA regulatory status is available for this exact ingredient, peptides in general are recognized for their excellent tolerability across all skin types, including sensitive, demonstrating a minimal risk of allergic reactions. There are no known contraindications for its topical use, even for pregnant or lactating individuals.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Insufficient Data

While this peptide complex theoretically offers valuable skin and hair revitalizing properties, specific clinical evidence for its precise formulation is currently not available, leading to an 'insufficient-data' rating.


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