Hair – The vitamin B complex (thiamine, riboflavin, niacin, folate, pantothenic corrosive, and pyridoxine) in guava leaves can forestall male pattern baldness and advance its development. As a hair and scalp treatment, take after the formula beneath. Strain the leaves from the water. Back rub the guava tea into your scalp and apply to hair, beginning at the roots and working through to the finishes. Leave on for 2 hours