Biokera Grapeology Serum is a natural oil made from crushed grape seeds that deeply nourishes and hydrates the hair. Its formula with a high content of Vitamin E, proteins and arginine repairs and improves the natural shine of the hair in addition to providing strength and elasticity, acting as a repairer of ends. Its high content of antioxidants protects the hair against external agents and reduces aging. With rapid absorption without residue, Serum Grapeology is specially indicated for colored hair as it maintains tone on gray or bleached hair.