For Double processed hair . 233 repair system instantly strengthens hair The system 233 leave in treatment is a concentrated formula that penetrates the cortex to improve and repair double processed hair, rehydrating and improving porosity and elasticity. It seals the cuticle to help reduce breakage and intensify shine. Directions: Snap off plastic tip and apply entire contents to damp hair. Massage thorugh hair. Do not rinse. Style as ussual. For maximum results use with Repairing shampoo and repairing conditioner. Warning: Keep out of reach of children. For professional use only.Read More >>