Thermal Hair Care Instructions. Allow hair to cool 5 minutes, then rinse with cold water to seal the hair cuticle. The process generally takes a few hours, depending on the length and type of your hair.

As the heat is still “contained” to the head by the cap, i don’t know if that would make one part of the hair more conditioned than the other. This intensive reconditioning system straightens extremely curly hair without the use of harsh chemicals, which can strip hair of essential nutrients. Smooths hair and detangles while reducing unwanted warm and brassy tones in blonde, grey, or lightened hair.