Perfect Straight effect blowout: A program dedicated to those who enjoy the effects of flawless smoothness. The application of specific products, in sequence, creates a perfect control of the volume and leaves hair docile for hot ironing. It softens and detangles dry, hard-to-manage hair, controls volume and frizz. Designed to protect against thermal stress from frequent hair dryer or flat iron use. Allows calibration of ironing according to hair type. Choose the cream combined with the serum for coarse and dehydrated hair. For fine hair and more fragile hair, choose the serum alone. How to use the product: Apply to clean, wet hair and leave on for 2-3 minutes. Rinse thoroughly.