2 Ounces. Fertilizing Serum is an intensive herbal scalp formula that revitalizes and encourages healthy hair and scalp. Poor circulation, adverse scalp conditions, illness, hormonal imbalances, clogged hair follicles, and many other factors can inhibit the hair's ability to thrive. Fertilizing Serum delivers essential oils and vitamins to enhance the scalp condition for healthier looking hair. Phytic Acid Complex helps to exfoliate clogged pores leaving the scalp clean and supple. Sulfur-rich amino acids from horsetail, nettle and garlic "fertilize" the hair by delivering nutrients to the hair and scalp. Cayenne, a known stimulant, is infused into this balm to stimulate the hair and scalp. Essential vitamins and minerals of B, E, and Zinc help protect and strengthen newly emerging hair.