The Ordinarys Multi-Peptide Serum for Hair Density is a concentrated treatment that encourages thicker-looking hair. n Powered by a blend of peptide technologies and plant extracts, including Redensyl, Procapil, Capixyl, Baicapil, Anagain and caffeine, the serum nourishes the scalp in order to promote optimal conditions for healthy-looking hair growth. Complete with an easy-to-use pipette applicator, the leave-in serum leaves strands with a fuller appearance. n Suitable for all hair types.