- Primes hair to absorb nourishment - Repairs hair from chemical, thermal, mechanical & environmental damage - Strengthens the bonds and protects hair structure - Suitable and beneficial for all hair types  OLAPLEX No.0 Intensive Bond Building Hair Treatment Read The Beginners Guide to Olaplex here The OLAPLEX No.0 Intensive Bond Building Hair Treatment is best used alongside OLAPLEX No.3 Hair Perfector as it will enhance, strengthen, and repair all types of damaged hair. Multiplying and reconnecting broken bonds creating velcro-like receptors to receive the additional benefits of No.3. It helps prevent the causes of frizz and dullness. The more you use No.0 + No.3 together, the stronger, healthier and shiner your hair will be and the better your professional chemical services will look. A professional inspired treatment that primes hair for deeper repair to maintain strong, healthy-looking hair between salon visits. Helps maintain hair integrity, softness, and shine Suitable and beneficial for all hair types. How to use: Apply the OLAPLEX No.0 to dry hair, comb the product through to ensure it is applied from root to tips. Wait 10 minutes and then you can apply OLAPLEX No.3 Hair Perfector over the top. Comb again to cover thoroughly, then let the treatment work for another ten minutes. This treatment is a minimum of 20 minutes although, just like the No.3 on its own, you will receive better results from keeping it on longer. Afterward, rinse, shampoo, and condition. We recommend the OLAPLEX No.4 Shampoo and OLAPLEX No.5 Conditioner. This can be used weekly or more if necessary. FREQUENTLY ASKED QUESTIONS: Can No.0 be used on \'normal\' hair? Does hair need to be damaged? All hair types & textures will benefit from this. More intensely damaged hair will see the most dramatic results at first. The more often No.0 is used, the healthier the hair becomes. Results may not be as noticeable, but it is still working within the hair structure. Size: 155ml