The Olaplex No.4 Maintenance Shampoo is a shampoo that cleanses and hydrates the hair. The shampoo repairs the internal hair structure and adds shine to the hair after every wash. The shampoo is also suitable for chemically treated hair.
The shampoo improves the manageability of the hair and restores the connection between the disulfide bonds. Furthermore, the shampoo is free from sulfates, parabens, and gluten. The No.4 is also 100% vegan and does not affect the color of the hair.

What are the main features of the Olaplex No.4 Maintenance Shampoo?

• For chemically treated hair
• 100% vegan
• Improves internal hair structure
• Sulfate-free
• All hair types.

How to use?

First use the Olaplex No.3 Hair Perfector. After that, take the No.4 shampoo and massage the shampoo thoroughly into the hair. Then rinse it out. To get the best result, you can use the Olaplex No.5 Conditioner.