Hair Thickening Serum with Biotin & Pea Peptides 2-Pack (1 oz)

A peptide-forward hair density serum formulated with biotin, argan oil, and pea peptides, positioned as a clinical scalp treatment for thinning and fine hair. Comes in a 2-pack (1 fl oz total) and is marketed as non-greasy with USA manufacturing. The product targets the appearance of fuller, thicker hair through peptide actives rather than traditional botanical oils. Growth claims lean anecdotal; clinical backing is limited. Community reception is mixed—some report visible thickening over weeks, others note it functions more as a lightweight sealing oil than a true growth catalyst. Best suited for fine, thinning hair types seeking a peptide-based alternative to heavier oils. No major quality complaints, though some users report the small bottle size limits long-term use.