Our onion hair oil contains onion extract, fenugreek seed extract, cedar oil. It can stimulate hair follicle activity, promote new growth, and make hair thicker. How to use it is simple: 1. Thoroughly clean and dry your hair. 2. Apply appropriate amount to scalp and hair evenly. 3. Massage gently to promote absorption. Strengthen hair roots, reduce hair loss, enhance hair toughness, prevent hair breakage and loss.