Redken Acidic Bonding Concentrate Leave-In Conditioner — Strengthening, Heat & Color Protection

Redken Acidic Bonding Concentrate Leave-In Conditioner is a strengthening, pH-balancing leave-in treatment that repairs weakened bonds, reduces split ends and shields hair from heat and color fade.

This lightweight, leave-in formula blends citric acid with Redken’s bonding care complex to target fragile, processed strands without weighing hair down. Designed to be applied to clean, damp hair before styling, it fortifies the fiber from mid-lengths to ends while helping preserve salon color and improving manageability. The product works as part of a system with the Acidic Bonding Concentrate shampoo and conditioner but is effective alone for daily protection and repair support.

How does this leave-in treatment repair broken or weakened hair bonds?

The formula uses citric acid to help restore the hair’s acidic environment and a specialized bonding complex to reinforce internal connections along the strand. Together these ingredients help rebuild areas weakened by chemical or heat damage, improving elasticity and reducing breakage over time.

• Citric acid targets weakened bond sites and helps rebalance hair pH.
• Bonding care complex helps reconstruct and reinforce the hair cortex.
• Regular use visibly reduces split ends and improves strand strength.

Will it protect my color and stand up to heat styling?

This leave-in provides color fade protection while offering heat protection for styling tools up to 450°F (232°C). It’s formulated to help maintain color vibrancy and reduce the mechanical stress caused by blow-drying or hot tools when applied prior to styling.

• Helps shield hair color from fading between salon visits.
• Provides thermal protection up to 450°F for safer hot tool use.
• Lightweight texture avoids flattening hair while protecting it.

How do I use it for best results in my routine?

After shampooing and conditioning, spray or apply the leave-in to clean, damp hair focusing on mid-lengths and ends; do not rinse. Style as usual — you can blow-dry or air-dry — and repeat as needed to maintain protection and improve damaged areas over time.

• Use on towel-dried hair for even distribution and absorption.
• Leave in; no rinsing required so benefits continue throughout the day.
• Combine with Acidic Bonding Concentrate shampoo and conditioner for a restorative system.

What hair types and concerns does this product address?

The formula is suitable for all hair types, especially chemically treated, thermally styled, or brittle hair. It targets split ends, breakage, rough texture, and color fading without introducing sulfates or heavy oils that could build up or weigh hair down.

• Ideal for color-treated, bleached, heat-styled, or weakened hair.
• Vegan and sulfate-free for gentler, professional-grade care.
• Works on fine to coarse textures without residue.

Who is this for: Redken Acidic Bonding Concentrate Leave-In Conditioner is made for anyone with fragile, processed or frequently styled hair who wants a lightweight, leave-in repair step. If you’re aiming to strengthen strands, reduce split ends, protect salon color and add heat defense into your daily styling routine, this product targets those needs while fitting easily into at-home or professional regimens.

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