Full peptide directory
All 7 peptides in this guide—A–Z crawlable index with summaries and label names.
Acetyl Tetrapeptide-3
Scalp density
Capixyl component
A four-amino-acid peptide often paired with biotin peptides in scalp-density formulas.
AnaGain
Hair growth support
Pisum sativum sprout extract · Pea sprout extract
A pea-sprout extract positioned as a natural alternative for rebalancing the hair growth cycle.
Capixyl
Scalp density
Acetyl Tetrapeptide-3 · Butylene Glycol complex
A patented hair-complex ingredient pairing a biotin peptide with a tetrapeptide—common in scalp serums marketed for thinning hair.
Keratin Peptides
Repair & strength
Hydrolyzed keratin · Keratin amino acids
Broken-down keratin protein fragments that coat and reinforce damaged hair shafts.
Myristoyl Pentapeptide-17
Lashes & brows
The lash-boosting peptide behind many brow and lash serums—often listed as Myristoyl Pentapeptide-17.
Procapil
Follicle anchoring
Oleanolic acid · Apigenin
A flavonoid-and-peptide blend aimed at reducing hair fall by strengthening the anchor between hair and scalp.
Redensyl
Hair growth support
Dihydroquercetin-glucoside · Epigallocatechin gallate glucoside · Glycine
A plant-derived hair complex marketed to wake up stem cells in the follicle—often compared to minoxidil in brand copy.