Redken Acidic Bonding Concentrate 24/7 Night & Day Serum
Combat daily damage overnight with the first bonding serum designed for 24/7 repair. Citric acid penetrates 7 layers deep and strengthens hair* polyglutamic acid with a high leave-in concentration magnetizes to hair for long-lasting protection and repair. This overnight bonding serum works around the clock to repair hair 24/7. Ideal for clients with processed, damaged hair seeking strength and daily damage repair.
*Results based on continued use of the ABC shampoo, conditioner, and serum system versus untreated hair
Key Benefits
- Penetrates 7 layers deep to repair hair structure
- Provides long-lasting protection and repair with polyglutamic acid
- Works 24/7, offering continuous repair day and night
- Formulated for damaged, processed hair
| Active Ingredients | Function |
|---|---|
| Citric Acid | Deep penetration to strengthen hair structure |
| Polyglutamic Acid | Magnets to hair for sustained protection and repair |
FAQ
How does citric acid in the serum work to repair hair?
Citric acid penetrates up to 7 layers deep to strengthen hair structure and repair daily damage.
Can this serum be used during the day?
Yes, the serum works 24/7, providing continuous repair both day and night.
Is it suitable for all types of damaged hair?
It is specifically formulated for processed and damaged hair seeking strength and repair.

Steven Scott –
Used this serum for two weeks after a chemical treatment. My hair felt stronger and less frizzy. The texture is light and absorbs quickly. I noticed less split ends and more shine after just one use.
Sarah Welch –
My damaged curls became more defined. The serum works well at night and I wake up to smoother hair. It doesn’t leave a greasy feel, which is a plus.
John Rees –
After using it consistently with the ABC line, my hair has improved in strength. The citric acid seems to penetrate deeply and repair the cuticle effectively.
Keith Slater –
I applied it before bed and didn’t need to wash it out. My hair felt more resilient and looked healthier after a few days of use.
Megan Manning –
Great for daily damage. My hair stays smoother and less brittle. I’ve used it with other Redken products and see consistent results.