Popular peptides
The ingredients that show up again and again in serums, eye creams, scalp treatments, and supplement aisles.
Capixyl
A patented hair-complex ingredient pairing a biotin peptide with a tetrapeptide—common in scalp serums marketed for thinning hair.
AnaGain
A pea-sprout extract positioned as a natural alternative for rebalancing the hair growth cycle.
Redensyl
A plant-derived hair complex marketed to wake up stem cells in the follicle—often compared to minoxidil in brand copy.
Procapil
A flavonoid-and-peptide blend aimed at reducing hair fall by strengthening the anchor between hair and scalp.
Myristoyl Pentapeptide-17
The lash-boosting peptide behind many brow and lash serums—often listed as Myristoyl Pentapeptide-17.
Acetyl Tetrapeptide-3
A four-amino-acid peptide often paired with biotin peptides in scalp-density formulas.
Keratin Peptides
Broken-down keratin protein fragments that coat and reinforce damaged hair shafts.