Design Essentials STS Express Thermal Therapy Leave‑In Sealant – Step 3 (Heat‑Protective Smoothing Treatment)

Design Essentials STS Express Thermal Therapy Leave-In Sealant – Step 3 is a fast-penetrating, intensely moisturizing leave-in conditioner designed to restore essential moisture while helping protect hair from heat styling and environmental damage.

Used as the third and final step of the Design Essentials STS Express Smoothing System, this professional leave-in treatment works with either the STS Express Smoothing Mousse or STS Express Damage Recovery Anti-Breakage Treatment to help complete the smoothing service.

Infused with protective antioxidants and nourishing botanicals, the lightweight formula helps condition, hydrate, smooth, and seal the hair while preparing strands for blow-drying and thermal styling.

Benefits:

• Step 3 and final step of the Design Essentials STS Express System
• Provides long-lasting heat protection
• Helps protect against environmental damage
• Restores essential moisture balance
• Intensely moisturizes dry or stressed hair
• Helps smooth and seal the hair
• Improves softness and manageability
• Prepares hair for blow-drying and thermal styling
• Fast-penetrating leave-in formula
• Works with STS Express Smoothing Mousse
• Works with STS Express Damage Recovery Anti-Breakage Treatment
• Infused with protective antioxidants and nourishing botanicals
• Professional salon formula

Best For:

• STS Express Smoothing Services
• Heat-Styled Hair
• Thermal Styling
• Silk Press Services
• Blowouts
• Smoothing Treatments
• Dry Hair
• Frizz-Prone Hair
• Chemically Processed Hair
• Relaxed Hair
• Natural Hair
• Professional Salon Services

Key Features

Protective Antioxidants:
Help protect the hair against environmental stressors and damage.

Nourishing Botanicals:
Help moisturize, condition, and support softer, more manageable hair.

Thermal Protection:
Helps shield strands against damage caused by blow-drying, flat ironing, and other thermal styling tools.

Step 1 – Cleanse
Begin with Design Essentials STS Express Cleansing Sulfate-Free Shampoo to thoroughly cleanse and prepare the hair.

Step 2 – Smooth or Strengthen
Choose the appropriate Step 2 treatment based on the client's hair needs:

• STS Express Smoothing Mousse Max Smooth for maximum smoothing and frizz control.
• STS Express Damage Recovery Anti-Breakage Treatment for weakened, damaged, or relaxed hair requiring added strengthening.

Step 3 – Seal & Protect
Apply Design Essentials STS Express Thermal Therapy Leave-In Sealant to restore moisture, seal the hair, and provide thermal protection before blow-drying and flat ironing.How to Use:

1. Complete Steps 1 and 2 of the Design Essentials STS Express Smoothing System.
2. Apply STS Express Thermal Therapy Leave-In Sealant evenly throughout the hair.
3. Distribute thoroughly from roots to ends.
4. Proceed with blow-drying and thermal styling according to the Design Essentials STS Express professional service instructions.

Complete your smoothing service with Design Essentials STS Express Thermal Therapy Leave-In Sealant. This professional Step 3 treatment helps restore moisture, condition the hair, and provide lasting protection against heat styling and environmental damage for smooth, polished, healthy-looking results.