No. 4 bond maintenance shampoo (250ml) makes hair brighter and healthier with every wash. It repairs the hair by reconnecting the broken bonds. Eliminates frizz and frizz. reduces breakage. Suitable for all hair types. No. 5 bond maintenance conditioner (250ml) deeply moisturizes hair. It repairs and nourishes the hair. It creates brighter, more vibrant, healthier and stronger hair. Suitable for all hair types. Does not contain paraben and sulfate. It is vegan. **The safety and performance of olaplex products have been extensively tested by independent third-party laboratories in accordance with in-group industry standards.