Herbal Hills Keshohills Hair Oil. According to Ayurveda, the early onset of gray hair and balding are indicative of excess pitta in the system. Keshohills combines powerful detoxifying herbs that remove excess pitta from the body while supporting the factors that lead to healthy hair growth. Its main ingredient, Bhringaraj, is known as "the ruler of the hair," for its historical use as a rejuvenative for the scalp and hair. Keshohills helps the body support hair growth, while providing the nutrients that lead to a thick, lustrous head of hair.