Redken Acidic Bonding Concentrate Sérum Repairing Day & Night Serum for Damaged Hair

Repair that never sleeps!

Discover the first repairing serum from Redken operating 24 hours a day, 7 days a week.

Its innovative citric acid-based formula penetrates up to 7 layers deep to strengthen the hair shaft*.

Polyglutamic acid acts like a magnet, binding firmly to the hair for long-lasting protection and repair.

Specially formulated for hair damaged by chemical treatments or excessive use of heat styling tools, this serum works overnight to provide intense, visible repair.

Redken Committed to a more sustainable future, the Serum is:
- Manufactured in a factory that uses Waterloop** technology
- Manufactured in a factory that uses renewable energy***
- 100% vegan formula****

Redken, the power of science, as recommended by the experts

*Instrumental test conducted after using the Shampoo, Conditioner, and Acidic Bonding Concentrate Serum routine.
**Waterloop Technology = 100% of the water used in industrial processes is treated and recycled in a closed-loop system on-site for reuse.
***During 2023. For more information, see L'Oréal's Universal Registration Document
****Contains no animal-derived ingredients or by-products

Key ingredients:
- Citric acid penetrates up to 7 layers deep and strengthens the hair*.
- Polyglutamic acid and squalane bind to the hair shaft for long-lasting protection and repair.
- Formulated with lavender fragrance, for nighttime use

*Instrumental test conducted after using the Shampoo, Conditioner, and Acidic Bonding Concentrate Serum routine.

Results:
- Repairs daily damage overnight
- Intensive repair: hair 9x stronger*
- Hair that's 3x softer*
- 92% notice visibly and noticeably healthier hair after 24 hours**
- 89% fewer breakages*
- 72% less frizz after 8 hours***

*Instrumental test conducted after using the Shampoo, Conditioner, and Acidic Bonding Concentrate Serum routine.
**Survey of 60 consumers
***Instrumental test conducted after using the Acidic Bonding Concentrate Serum.