No Poo for Ultimal Hair Growth Using this exact method I grown my hair 2" in a month. The reason why no-poo works is because it regulates your scalp, if you want to kick it up a notch then… Related posts: Pre poo Deep Condtioning Treatment and Finger Detangling | APL Hair Challenge DIY: Drying Herbs for Hair, Skin & Food Recipes + Teas Natural Oil Mix for Healthy Hair Growth Hair regimen