Thermal Spa Products, also known as Mastex, is a leading innovator in clinically proven professional spa products. Their famous Heat Cap helps treat dry, damaged, and over-processed hair. It is less drying to the scalp and hair than heat dryers, and can maximize the results of a heat-activated conditioning treatment.
California Proposition 65 WARNING: Some products on this website contains progesterone, cocamide DEA, and other chemicals known to the State of California to cause cancer. Consult with your physician before using these products.