In vivo clinical studies have shown that Oligopeptide – 16, one of the ingredients in the anti-hair loss serum, when delivered to the base of the hair follicle, helps strengthen hair while stimulating hair follicles to produce healthier hair.
It increases energy at the hair root, improving scalp circulation and encourages growth by activation of hair follicle stem cells.
Oligopeptide – 5, in clinical showed strengthening of the hair shaft, while stimulating the hair follicle. (It’s the hair shaft that becomes weak, in pattern baldness)
Oligopeptide – 18, Promotes hair growth and inhibits depigmentation of hair and helps blood circulation in the scalp, revitalising hair follicles.
Clinical trials demonstrated in skin organ culture that growth factor stimulating peptides, may act as a stimulator of hair placode formation, at least in part by antagonising the inhibitory effect of hair follicle development.
Control skin culture showed absence of hair where as treated skin displayed emerging new hair through the epidermis.
Ref. VladimitA.et als 2001. FASEB J. 15 (journal)
On this page http://www.la-science.co.uk/the-results.html it says
LA Science shampoo creates a healthy environment for anti-hair loss which improves blood supply to the scalp.
One of the main ingredients of the shampoo is Copper Tripeptide. Copper peptide complex increases blood vessel network to the hair follicle, increasing the size of the follicle, encouraging hair growth.
LA Science Ant-hair loss Serum delivers multiple growth factor peptides to the base of the hair follicle which produces a healthier hair shaft, increasing hair growth rate and reducing hair loss.
Only one before/after: