Vitalizing Serum - Argan Oil Hair Vitalizing Serum enriched with Argan Oil which also known as 'Liquid Gold", is enriched with vitamins, fatty acids, and minerals which helps to nourish your hair, promote hair growth, reduce hair damage, improve overall hair and scalp health. Capsule - Walnuts & Almonds in Sadvik Hair Plus Capsule are biggest source of Natural Biotin which is a B Vitamin that helps stimulates Keratin production in hair and can increase the rate of follicle growth.