Serum Arganology from Biokera is a natural oil of argan and cotton that recovers the original formula of the Al-Ándalus alchemists. A natural beauty secret that we collect exclusively to restore your hair to its extraordinary shine, softness and luminosity. Its formula revitalizes and strengthens mistreated hair, restoring a velvety texture. With rapid absorption without residue, Serum Arganology is specially indicated for mistreated hair that requires extra hydration.