Redken Acidic Bonding Concentrate Leave-In Conditioner — Lightweight Bond-Building, Heat & Color Protection

Redken Acidic Bonding Concentrate Leave-In Conditioner is a lightweight, leave-on treatment that rebuilds weakened hair bonds, reduces split ends and adds heat and color-fade protection.

This concentrated leave-in treatment combines citric acid with Redken's Bonding Care Complex to strengthen strands from the inside out while restoring a balanced pH for smoother, more resilient hair. Designed for use after shampooing on clean, damp hair, it layers under styling products to deliver conditioning without weighing hair down. The formula is vegan and sulfate-free, and it works as part of the Acidic Bonding system to protect color-treated and chemically processed hair from further damage.

How does this product rebuild damaged hair bonds?

The formula targets weakened areas of the hair shaft with citric acid to help close and rebalance the cuticle while the bonding complex reinforces internal links. Over repeated use, it visibly reduces breakage and split ends by fortifying hair where it’s most fragile.

• Citric acid restores hair surface pH for improved cuticle alignment
• Bonding Care Complex strengthens internal protein connections
• Visible reduction in split ends and fewer snapped strands with regular use

Will it protect my color and heat-styled hair?

Yes — the leave-in provides a protective layer that helps preserve salon color while offering thermal protection up to 450°F, helping reduce color fade and heat-related damage during styling. It’s formulated to sit under heat tools without creating stiffness, leaving hair smooth and manageable.

• Color-fade protection maintains pigment vibrancy between salon visits
• Heat defense up to 450°F for safer blow-drying and hot tools
• Lightweight finish prevents weighing down fine or color-treated hair

How do you use it in a daily routine?

Apply to freshly washed, towel-dried hair focusing on mid-lengths and ends; do not rinse out. Style as usual—air-dry or blow-dry—and reapply lightly on dry hair when needed to tame frizz and refresh protection.

• Use on clean, damp hair after Acidic Bonding shampoo and conditioner for best results
• Apply a small amount section by section, concentrating where hair is weakest
• Leave in; safe to combine with other styling products and thermal tools

What results can I expect and how quickly?

Many users notice smoother, less frizzy hair after the first use and progressive improvement in strength and split-end appearance within several applications. Long-term use as part of the Acidic Bonding collection helps maintain restored hair integrity and color longevity.

• Immediate: smoother texture and easier detangling
• Short term: reduced breakage and fewer visible split ends
• Ongoing: stronger, more resilient hair and better color retention

Who is this for: Redken Acidic Bonding Concentrate Leave-In Conditioner is aimed at anyone with dry, weakened, chemically processed or color-treated hair seeking a professional-strength, leave-on repair treatment. It’s suitable for fine to coarse textures and for users who want a lightweight product that protects against heat, helps preserve color, and rebuilds hair structure without rinsing out.

Ingredients

AQUA / WATER / EAU DIMETHICONE CETEARYL ALCOHOL AMODIMETHICONE PHENOXYETHANOL POLYQUATERNIUM-37 DIMETHICONOL PARFUM / FRAGRANCE PROPYLENE GLYCOL DICAPRYLATE/DICAPRATE TRIDECETH-5 STEARETH-20 CETYL HYDROXYETHYLCELLULOSE GLYCERIN CITRIC ACID LIMONENE PPG-1 TRIDECETH-6 TRIDECETH-10 SODIUM HYDROXIDE CHLORHEXIDINE DIGLUCONATE SORBITAN OLEATE ACETIC ACID LINALOOL CITRONELLOL CITRAL EUGENOL