30ml Biotin Hair Growth Serum Repairs Hairline Moisturizes Hair Roots Thick Hair EssenceProduct InformationNet Content: 30mlHow To Use1.Spray a proper amount of essence evenly on the hair roots.2.Massage with your finger tips and thumb from both sides of your scalp to the back of your head . Promote the absorption of essence ,lasting for two minutes.(Every morning and eveningonce each timethe effect is better.The scalp can be fully absorbed without cleaning.)Package included: 1/2 pcs Hair Growth SerumNotePlease allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)