• STS Express Thermal Therapy Leave-in Sealant- Step 3

    STS Express Thermal Therapy Leave-In Sealant - Pro

    Strengthening Therapy System

    Design Essentials® STS EXPRESS Smoothing System Thermal Therapy Leave-In Sealant - Step 3 is an intensely moisturizing leave-in conditioner designed to restore moisture balance to hair while providing long-lasting protection against heat styling...

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