Formulated specifically for straight hair Retrò.specific Flat Hair Shampoo for straight hair thanks to the instant emollient action and silk proteins enhances the natural smoothness. The laminating action protects the hair from humidity, enhancing the smoothness.

How to use: Apply to wet hair, massage gently and rinse. On the second pass also cleanse lengths and ends, leave on for 2/3 minutes and rinse.