To achieve the best results with L'Oréal Professionnel Shampoo, start by thoroughly wetting your hair with lukewarm water to open the cuticles and prepare your scalp. Apply a small amount of shampoo to your hands and gently massage it into your scalp using circular motions, working the lather through the lengths of your hair. Rinse thoroughly to remove all product residue. If needed, ... https://niram.in/blogs/hair-care/why-loreal-professional-hair-color-is-the-choice-of-top-stylists