The Olaplex N°4 Bond Maintenance Shampoo is a highly concentrated cleanser for daily hair care. Its formula with the patented active ingredient Bis-Aminopropyl Diglycol Dimaleate is suitable for all hair types and supports the hair's moisture balance. The colour-safe shampoo can help to maintain the luminosity of the hair colour and give the hair more strength. It has been specially developed for the care of damaged hair and can minimise the appearance of hair breakage. The formula is 100% vegan and contains no ingredients such as sulphates, parabens, phthalates or gluten. The shampoo can be ideally combined with other products from the Olaplex range, such as the N°5 Bond Maintenance Conditioner, for a comprehensive care routine.

• Highly concentrated formula with the patented active ingredient bis-aminopropyl diglycol dimaleate.
• Suitable for all hair types and for maintaining the luminosity of coloured hair.
• Supports the hair's moisture balance and can give it more strength.
• 100% vegan composition without sulphates, parabens and gluten.