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SNAP-8 (Acetyl Octapeptide-3) is a synthetic chain of eight amino acids commonly used in anti-aging skincare products.
What It Is & How It Works
• Mechanism: It acts as a mimic of the N-terminal end of SNAP-25, competing to disrupt the SNARE complex that releases acetylcholine at the neuromuscular junction.
• Effect: By slightly dampening local nerve signals, it helps relax facial muscle contractions—similar to a milder, topical, and reversible alternative to Botox for expression lines like forehead creases and crow’s feet.
• Concentration: It is typically formulated into serums or custom DIY mixes at concentrations ranging from 3% to 10%