| Rusk's Thermal Str8 Ceramic Styling Tools Protective Styling Glaze Thermal Str8 liquids condition & protect the hair internally and externally. UVA/UVB sunscreens, and exclusive Thermplex heat protection combined with Ceramix leave hair smooth, silky-soft, sleek and shiny. A protective, humidity-resistant styling glaze that infuses conditioning and controlling agents deep inside the hair's cuticle; eliminates frizziness while providing additional strength and manageability. . |  |