*This product is for professional use only. Do not buy if you are not a professionally trained hairdresser.* *Purchasing the product implies that you are a professional hairdresser and will take full responsibility.* 1. Cleanse hair with purified shampoo (without any conditioning). Towel and blow-dry hair. 2. Apply No.1(2cm away from the scalp), wrap the hair and apply 5-10 minutes of heat if in cold weather. 3. Generally it will take 20-25 minutes for the softening procedure. (The hairdresser shall check on a regular basis onward after 10 minutes. And be ready to wash off anytime when the hairdresser think the softening procedure is done) 4. Rinse, towel dry, and blow-dry the hair. Section and iron the hair. 5. Apply No.2 and wait for 10-15 minutes. 6. Rinse and apply conditioner and wait for 3 minutes.