Skin Conditioning
SH-POLYPEPTIDE-26
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A lab-made copy of human Flt3 ligand, an immune cell signaling protein. Used at minute cosmetic doses; cautious tier because Flt3L is a potent biological signal.
Function
Skin benefits
- Recombinant Flt3L analog for skin conditioning
- High-purity E. coli production
- Used at very low cosmetic levels
Known concerns
- Flt3 ligand activates immune cell proliferation — biological potency warrants caution
- Limited public cosmetic safety data
- Theoretical immunogenicity
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related skin conditionings
Check your shelf
Find SH-POLYPEPTIDE-26 in your products.
Scan any cosmetic product with LuxSense to see if it contains SH-POLYPEPTIDE-26 and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.