Redken Acidic Bonding Concentrate 24/7 Night & Day Serum 1.6 oz — Lightweight Repair, Anti-Frizz & Color Protection

Redken Acidic Bonding Concentrate 24/7 Night & Day Serum is a lightweight leave-in treatment that repairs damaged, color-treated hair while smoothing frizz and strengthening strands around the clock.

This restorative serum combines citric acid, polyglutamic acid and squalane to rebuild weakened bonds, add moisture and shield hair from everyday stressors. Designed for use on damp or dry hair, it works day and night to reduce breakage, tame frizz and improve manageability without weighing hair down. The formula is also scented with a calming lavender fragrance for a pleasant routine experience.

How quickly will I notice smoother, stronger hair?

Many users see improved smoothness after the first application and progressive benefits with consistent use. The ingredients target multiple layers of the hair fiber to deliver immediate softness and continued reinforcement over time.

• Visible smoothing after one use; further improvement with repeated applications.
• Formulated to penetrate hair structure for ongoing bond support.
• Lightweight texture that won’t leave residue or heaviness.

Can this serum protect color-treated and chemically processed hair?

Yes—this serum was formulated to support hair that’s been color-treated, bleached or otherwise processed. It helps reduce mechanical and environmental damage while maintaining vibrancy and minimizing breakage during styling.

• Helps protect against daily wear, heat styling and environmental stress.
• Supports color retention by strengthening fragile areas of the hair.
• Suitable for bleached, highlighted and chemically relaxed hair when used as directed.

How should I use it for best results: daytime styling or overnight repair?

The serum is designed for flexible use—apply it to damp hair before styling for lightweight protection, or use it overnight to let the formula work while you sleep. Focus on mid-lengths and ends, and reapply as needed on dry hair to control frizz throughout the day.

• For daily protection: smooth through damp hair before heat styling.
• For overnight repair: apply generously to mid-lengths and ends before bed.
• Refresh dry hair with a small amount to reduce flyaways and add shine.

What specific benefits will I get from the key ingredients?

Each active plays a targeted role: citric acid helps refine and strengthen the hair structure, polyglutamic acid delivers moisture-binding and long-lasting support, and squalane provides lightweight nourishment and softness. Together they work to rebuild and protect without a greasy finish.

• Citric acid: reinforces hair structure and addresses weakened bonds.
• Polyglutamic acid: locks in hydration for sustained smoothness.
• Squalane: conditions and reduces frizz while keeping hair light.

Who is this for? Redken Acidic Bonding Concentrate 24/7 Night & Day Serum is ideal for anyone with processed, damaged or dry hair looking for an everyday repair and anti-frizz solution. It’s especially helpful for people who color or bleach their hair, use heat tools regularly, or want a lightweight leave-in that both restores and protects. Use it as part of your daily styling routine or as an overnight treatment to gradually strengthen, smooth and improve the look and feel of hair over time.

Ingredients

AQUA / WATER / EAU • ISOPROPYL MYRISTATE • DIMETHICONE • TRIETHANOLAMINE • AMODIMETHICONE • PHENOXYETHANOL • SQUALANE • PARFUM / FRAGRANCE • CARBOMER • POLYQUATERNIUM-4 • POTATO STARCH MODIFIED • HYDROXYPROPYL GUAR • CITRIC ACID • BEHENTRIMONIUM CHLORIDE • SODIUM POLYGLUTAMATE • COCO-BETAINE • TRIDECETH-6 • ISOPROPYL ALCOHOL • SODIUM CHLORIDE • CETRIMONIUM CHLORIDE • LIMONENE • LINALOOL • GERANIOL • CITRONELLOL • COUMARIN • ALPHA-ISOMETHYL IONONE