This mini kit from Olaplex is designed to repair and brighten blonde, lightened, and grey hair. It features a scientifically proven two-part system with No.0 and No.3 to repair damaged, fragile, and brittle hair. The kit also includes No.4P Blonde Enhancer Toning Shampoo to tone and brighten while cleansing, and No.8 Bond Intense Moisture Mask to restore weightless moisture to dry, dehydrated hair. This is an ideal take-home kit after lightening services to maintain the results of in-salon OLAPLEX treatments. The kit includes: No.0 Intensive Bond Building Hair Treatment (40 mL), No.3 Hair Perfector (30 mL), No.4P Blonde Enhancer Toning Shampoo (20 mL), and No.8 Bond Intense Moisture Mask (20 mL).