Dennis Bernard 4Bond Proextend Keratin Salon Service Extender 4 oz
The most exciting and advanced professional product for extending the life of salon services. Smart Target Technology infuses a proprietary blend of polymers, keratin, quinoa, and baobab proteins rich in amino acids into the hair’s cortex.
Features:
- Specifically engineered to seal the hair cuticle and repair split ends that have incurred damage through chemical services such as color, lightener, smoothing, straightening, and thermal styling
- Provides enhanced shine while conditioning, fortifying, and maintaining salon services
| Product Information |
|---|
| Brand: DENNIS BERNARD |
| Size: 4 oz |
| Key Ingredients: Polymers, Keratin, Quinoa, Baobab Proteins |
| Technology: Smart Target Technology |
FAQ
How does the Smart Target Technology work?
Smart Target Technology delivers a proprietary blend of polymers, keratin, quinoa, and baobab proteins directly into the hair’s cortex to repair damage and seal the cuticle.
Can this product be used after chemical treatments like coloring or straightening?
Yes, it is specifically designed to repair split ends and seal the cuticle caused by chemical services such as color, lightener, smoothing, straightening, and thermal styling.
Does it provide long-term protection for hair?
Please contact customer service

Thomas Ball –
Used this after a salon straightening and noticed a significant improvement in shine and smoothness. Split ends were reduced and hair felt stronger. Applied once a week and has maintained results over several weeks.
Claire Rampling –
Great for repairing damage from frequent coloring. Hair looks healthier and feels more manageable. The product absorbs well and leaves a soft, natural finish without weighing hair down.
Grace Arnold –
After using this regularly, my hair has stayed smooth and strong even after multiple chemical treatments. The shine is noticeably better and split ends are less visible.