Design Essentials STS Express Thermal Therapy Leave In Sealant, Step 3

STS Express Thermal Therapy Leave-In Sealant is a fast penetrating, intensely moisturizing leave-in conditioner designed to restore the necessary moisture balance to the hair while providing long lasting protection against heat styling and environmental damage. Designed as the third and final step of STS Express Smoothing System, STS Express Thermal Therapy Leave-In Sealant is infused with protective antioxidants and nourishing botanicals that work synergistically with the ingredients of the STS Express Smoothing Mousse or STS Express Damage Recover Anti-Breakage Treatment