| Rusk's Thermal Str8 Ceramic Styling Tools Protective Flat Iron Spray 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 spray that penetrates the hair, infusing it with conditioning and controlling agents that seal the cuticle, eliminate any frizziness, and provide long-term memory that helps prevent curl reversion and makes styles resistant to environmental elements. . |  |