Doo Gro Mega Thick Leave-in Strengthener is an oil free, weightless formula that thickens strengthens weak, damaged, dry hair. Enriched with shea butter, protein and botanical thickeners to smooth hair cuticles and help reduce split ends while moisturizing and detangling. Quenches dry, thirsty hair and leaves it shiny, soft and manageable. Great for the whole family and can be used on all types of hair including natural, color treated, bleached, weaved, braided and relaxed.