HYDRATION - NAP EFFECT Super hydration for hair, along with volume and frizz control. Suitable for all hair types, especially dry, frizzy, and excessively voluminous hair. If you have had or are currently undergoing hair straightening treatments, you need to use Nap Effect to treat your hair and make your straightening treatment last up to 3 times longer! SEE HOW EASY IT IS TO USE NAP EFFECT: - Right after washing your hair with shampoo, apply Nap Effect to damp hair, spreading it along the entire length. - Massage each strand thoroughly. - Leave it on for 5 minutes. - Rinse thoroughly until the product is completely removed. - Style as desired. Use a hairdryer to fully dry your hair from top to bottom.