STS Express Smoothing Treatment
STS Express Smoothing Treatment is an amino-acid infused smoothing and thermal therapy system that smooths frizzy, naturally curly, multi-textured, transitioning, and chemically treated hair. It provides up to 12 weeks of intense smoothness, incredible shine, and maximum manageability. Perfect for anyone who wants more longevity in their silk press, or less frizz in their natural styling. STS increases style longevity while helping to strengthen and repair damage. Results last up to 12 weeks (with proper care) for visibly smoother, shiny, more manageable hair.