Product description: Olaplex No 4 is a daily cleansing and repairing shampoo that deeply hydrates and strengthens hair as well as repairing shattered hair bonds in between your salon visits so you can carry on maintaining your favourite hair colour and style without the worry of damaging your hair. Olaplex No 4 Bond Maintenance Shampoo formula is colour- sulphate- paraben- gluten- and nut-free, and is vegan-friendly. How to use: Use as your shampoo to enhance weekly treatment and follow with Olaplex No 5 Bond Maintenance Conditioner.
