Doo Gro Mega Long hair vitalizer helps promote strong. Helps Promote Strong, Healthy Hair. Leaves Hair Shiny And Manageable. Ultimate Lengthening Formula.Safe Of All Types Of Hair. Helps Stop Breakage. o Helps promote strong, healthy long growing hair. o Ultimate lengthening formula with olive oil and avocado oil helps stop breakage, leaving hair shiny and manageable. o Safe to use on all types of hair including colour treated, bleached and relaxed. o Use daily or as often as needed. Gently massage into hair and scalp.