Olaplex No.0 Intensive Bond Building Hair Treatment (155ml)

Prime your hair for your deepest at-home repair with this salon-inspired pre-treatment to boost the effects of N°3 Hair Perfector™. The highly concentrated formula rebuilds disulfide bonds to repair more severe damage and immediately strengthens hair when N°0 is used with N°3. Clinical Results: Clinically Proven 68% more repair* 68% better detangling, improved conditioning, and smoother* 65% reduction in breakage** *When used as a three-part system of N°0, N°3, and N°4 in just one use. **When used with N°4. How to use: On dry hair, apply and distribute evenly from root to tip. Leave on for 10 minutes. Do not rinse. Apply N°3 Hair Perfector™ and comb through. Leave on for 10 minutes. Rinse well. Shampoo and condition with N°4 and N°5. Use as a two-part system with N°3 once a week or 2-3x per week for very damaged hair.