Ziv Rosemary Garlic Infused EVOO Shampoo is made with garlic oil, EVOO, fenugreek oil, stimulating hair growth oil, essential oil blend, and vitamin E that is applied directly to the scalp. This shampoo cleanses the scalp and help prevent further damage caused by different scalp conditions while opening the pores to help promote a healthier scalp with hair growth. There will be a tingling sensation throughout the scalp but leave the shampoo on your scalp between 5- 10 minutes. For hair that is iron deficient. Since this product is all natural separation is natural and it has to be shaken before every use.