Express Smoothing Treatment
STS / Strengthening Therapy System
An amino-acid infused smoothing and thermal therapy system that temporarily straightens and smooths frizzy, naturally curly, multi-textured, transitioning, and chemically treated hair—providing up to 12 weeks of intense smoothness, incredible shine, and maximum manageability.
This easy, three-step system increases style longevity while helping to strengthen and repair damage. Simply Shampoo, Treat, Seal, and Style for up to 12 weeks of visibly smoother, shiny, more manageable hair.