Professional OnlyASP EXPERT SERIESFOR USE AFTER CHEMICAL SERVICESpH Rebalancer restores the hairs natural pH & reduces porosity after chemical services. It closes the cuticle to lock in colour, reduces hair shaft swelling and soothes the scalp. Leave-in weightless formulation is infused with extracts of Date, Urea, Shea Butter, & Vitamins E & F. Hair is left feeling smooth, soft, shiny, and manageable.