Jamaican Black Castor Oil improve blood circulation to the scalp, thereby encouraging hair growth. Works for all hair types and t will moisturize, thicken, strengthen and rapidly increase hair growth. The oil also nourishes the scalp and strengthens the hair roots, thereby treating thinning hair. It increases blood flow to the scalp, supplying valuable nutrients to hair follicles. Jamaican Black Castor Oil will also prevent hair breakage, dandruff, eczema and dry, itchy scalp.