Acetyl Tetrapeptide-3 vs Capixyl
Both are categorized under Scalp density in our directory—here is how they differ in name, use, and label context.
Acetyl Tetrapeptide-3
Scalp density
A four-amino-acid peptide often paired with biotin peptides in scalp-density formulas.
Capixyl
Scalp density
A patented hair-complex ingredient pairing a biotin peptide with a tetrapeptide—common in scalp serums marketed for thinning hair.