Kerasilk Strengthening Bond Builder is an intensive, deep-acting leave-in treatment crafted to rebuild and fortify damaged hair from the inside out. Infused with Biomimetic Silk and Bondamide, this 100% vegan formula strengthens hair structure down to the cortex, helping to create hair that is up to 20 × stronger and reducing breakage by up to 98%. Ideal for brittle, dull, rough or chemically treated hair, it restores natural resilience, smoothness and shine.

Benefits:
- Builds new bonds and repairs hair structure for stronger, resilient strands.
- Reduces hair breakage by up to 98%.
- Strengthens hair up to 20 × compared to untreated fibers.
- Enhances elasticity and improves the hair’s ability to bounce back.
- Leaves hair visibly smoother, shinier and healthier looking.

Main Ingredients & Their Benefits:
- Biomimetic Silk: Mimics natural silk proteins to smooth and condition the hair from within.
- Panthenol: moisturizes, strengthens, and protects the hair shaft and scalp.