What It Is
Step 3 of 4 is an amino-acid infused thermal therapy smoothing treatment designed to temporarily straighten and smooth frizzy, curly, multi-textured or transitioning hair for up to 12 weeks. STS Express Smoothing and Strengthening System is 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 smooth-ness, incredible shine, and maximum manageability.
 
What It Does 
Benefits:
Strengthens hair from root to tip and delivers anti-swelling/reversion properties 
Imparts long-lasting frizz-free smoothing with radiant shine
Designed for clients seeking an alternative to chemical straighteners
No formaldehyde or formaldehyde derivatives
 
Key Ingredients:
SILK PROTEINS nourish and help repair the hair throughout the smoothing process.
 
What Else You Need to Know 
Product Benefits by Hair Type
Client Presentation
Naturally curly/coiled hair with significant swelling.
Hair is difficult to detangle and style.
A straight hairstyle resistant to reversion from perspiration and humidity.
Silky smooth, shiny hair and significantly less styling time each day.
Reversion-resistant style lasting up to 12 weeks.
Free from animal testing
 
How To 
1. After shampooing, towel-blot hair, detangle then part hair into 4 sections.
2. Wearing gloves, take 1-inch partings and apply 1-2 pumps of Smoothing Mousse at roots and comb through. DO NOT RINSE OR SHAMPOO.
3. After full head application is complete, cover with plastic cap and allow treatment to sit for 15 minutes.
 
Note: A full head application should not exceed 2 oz. of product. Coat hair, but do not over saturate.
 
Ingredients 
Aqua/Water/Eau, Glyoxyloyl Carbocisteine, Glyoxyloyl Keratin Amino Acids, Hydrolyzed Protein Silk, Silanetriol, Panthenol, Cetyl Triethylmonium Dimethicone, Peg-8 Succinate, Acrylamidopropyltrimonium, Chloride/Acrylamide Copolymer, Fragrance (Parfum), Methychloroisothiazolinone, Methylsothiazolinone, Benzyl Benzoate, Citral, Citronellol, Geraniol, Hexyl Cinnamal, Limonene, Linalool, Butylphenyl Methylpropional