Just Black seed (Nigella sativa) is nature's treasure trove of nutrition that tackles almost every hair woe effectively and efficiently. Onion black seed oil can slow down graying of hair. Its potent antimicrobial, anti-inflammatory and antioxidant qualities help check dandruff, soothe scalp eruptions, and boost blood circulation for higher nutritional absorption via hair follicles for stronger tresses. It also contains a phytochemical called thymoquinone that's clinically proven to reduce hair loss and promote hair regrowth