D S Laboratories Revita COR Conditioner. The conditioner deploys numerous compounds with protective properties: apigenin, an antioxidant and anti-inflammatory; caffeine, to regulate testosterone; ginseng, which prolongs hair-follicle life and has antioxidant effects; nano copper peptides, with anti-inflammatory and tissue-remodeling properties; spin traps, with powerful free-radical-quenching abilities; and zinc, necessary for the proper functioning of more than 300 enzymes. Revita.COR contains several ingredients with nutritional properties: arginine, a metabolic precursor of nitric oxide; citrulline, an amino acid; inositol, a cyclic alcohol; lupine extract, rich in peptides, trace elements, and vitamins; and tyrosine, an amino acid known to increase plasma transmitter levels. It incorporates two more ingredients with advanced conditioning properties: biotinyl tripeptide-1, a scalp-conditioning agent, and niacinamide, a heterocyclic aromatic compound.