active
Acetyl Tetrapeptide-5
Generally safe·Moderate evidence
A signal peptide designed to inhibit neurotransmitter release and reduce facial muscle tension, marketed as a gentler alternative to botulinum toxin. Cosmetic-grade formulations show no significant systemic absorption at recommended levels and are well tolerated in product use.
Products with Acetyl Tetrapeptide-5
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.