Redken Extreme Strengthening Shampoo & Conditioner 1L Duo
The Redken Extreme Strengthening Duo repairs and strengthens damaged hair. Featuring a shampoo and a conditioner, this duo for damaged hair contains everything you need to protect and strengthen hair against further breakage.
- Extreme Strengthening Shampoo 1L: This hair strengthening shampoo protects shine, repairs damaged hair and leaves it supple and shiny. A smart, targeted delivery system, the Protein Complex treats hair from the root to the core to the tip, giving all three levels the custom nourishment they need.
- Extreme Strengthening Conditioner 1L: This hair strengthening conditioner protects shine, repairs your hair and leaves it supple and shiny.
| Product | Volume | Key Benefit |
|---|---|---|
| Shampoo | 1L | Repairs damaged hair, strengthens from root to tip |
| Conditioner | 1L | Restores shine, improves suppleness and texture |
FAQ
How does the Protein Complex work in the shampoo and conditioner?
The Protein Complex delivers targeted nourishment from the root to the tip, repairing and strengthening hair at all levels.
Is this duo suitable for color-treated hair?
Yes, the duo is formulated to repair and strengthen damaged hair, making it suitable for color-treated hair.
Can I use this duo with other hair care products?
Please contact customer service

Faith Jackson –
After using the Redken Extreme Strengthening Duo for two weeks, my dry and frizzy hair has become much softer and more manageable. The shampoo cleanses well without stripping, and the conditioner leaves my hair with a healthy shine. I notice less breakage and improved elasticity.
Nicholas Avery –
I have damaged hair from heat styling and chemical treatments. This duo has made a noticeable difference. My hair feels stronger and looks healthier after each use. The conditioning is rich but not greasy.
Thomas Grant –
The protein complex works well on both fine and thick hair. I use it every other day and see less split ends. My hair holds style better and feels more resilient.