Read before purchasing: Usage: Can use everyday to wash your hair. Its usage is like the normal shampoo. How long can see the effect? Normally 1-3 month. If you use everyday, normally use 5 Bottles will effective Hair oil that can be used in combination: https://my.xiapibuy.com/-Buy-3-get-2-free-Fast-Powerful-Hair-Growth-Essence-Products-Essential-Oil-Liquid-Treatment-Preventing-Loss-Care-i.150137884.2620979447 Why you shoud use Root Booster Shampoo? *Prevention of hair loss *Remove residue on the scalp *Enhance hair *Supply nutrients to scalp and hair YOU HAVE TO CARE YOUR SCALP AND HAIR ASAP BEFORE LOSE YOUR HAIR!