HOEGOA Hair Growth Serum, Dense Hair Repair Dry And Irritated Hair Moisturizing Hair Dense Hair Care Essential OilOur Hair Growth Serum contain Glycerin, Biotin, Ricinus Communis(Castor)Seed Oil. It nourishes and protects hair, improves the health of hair follicles and promotes hair growth, and castor oil keeps hair hydrated. The way to apply it is simple: wash your hair and scalp before use, apply 2 3 drops of serum directly to the scalp of the area to be treated, and gently press with your hands for 1 2 minutes until the serum is completely dry. It can deeply