Design Essential's STS Express Thermal Therapy Leave-In Sealant is an intensely moisturizing leave-in conditioner designed to restore moisture balance to hair while providing long-lasting protection against heat styling and environmental damage.
After treating with Smoothing Mousse or Damage Recovery Anti-Breakage Treatment, spray sealant throughout hair to remove any residue and seal in treatment.
Taking manageable subsections, starting at the back, blow-dry hair from root to ends until completely dry using a paddle brush.
Taking 1/8-inch partings, flat iron hair using a temperature-controlled iron, passing 1 to 2 times from root to ends at 340ºF to 400ºF. Lower temperature recommended for fine, fragile or color-treated hair.