Step 1: Wash the hair with Protect & Control Post-Keratin Shampoo, gently massaging until a rich lather forms. Rinse thoroughly and repeat if necessary.
Step 2: Towel-dry or blow-dry the hair until it is approximately 80% dry.
Step 3: Apply the Enhancing Sealing Treatment section by section using a brush, keeping a distance of approximately 0.5 cm (¼ inch) from the scalp.
Step 4: Cover the hair with a processing cap and leave the product on for 60 minutes.
Step 5: Rinse thoroughly, ensuring all product is completely removed from the hair.
Step 6: Blow-dry the hair completely until fully dry.
Step 7: Flat iron thin sections of hair 15 to 20 times, using a temperature between 180°C and 200°C (356°F–392°F).