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ACIDIC BONDING CONCENTRATE PH-BALANCING SHAMPOO

A SULFATE-FREE, PH-BALANCING SHAMPOO FOR ULTIMATE STRENGTH REPAIR

The Redken Acidic Bonding Concentrate Shampoo is a pH balancing shampoo with a sulfate‑free formula ideal for damaged or processed hair. This bond repair shampoo delivers intense conditioning, supports weakened hair bonds and helps guard against colour fade for all hair types and textures, including colour‑treated or chemically‑processed hair.

DETAILS

Redken Acidic Bonding Concentrate pH‑Balancing Shampoo is Redken’s most concentrated bond repair shampoo for damaged hair. Designed for every hair type and texture, this bond-strengthening shampoo  helps reinforce weakened bonds and supports stronger‑feeling, smoother hair while providing colour fade protection.

Formulated with Citric Acid, an alpha hydroxy acid, this low pH shampoo helps maintain the hair’s optimal pH level while delivering conditioning benefits. The shampoo's acidic pH helps counteract the effects of heat styling, colouring services and even the minerals in water for healthy‑looking, more resilient hair.

Explore more Redken shampoos and products for colour-treated hair.

The key benefits of the Redken Acidic Bonding Concentrate Shampoo:
• 2x STRONGER HAIR*
• 10x MORE HYDRATION**
• UP TO 88% VISUAL REDUCTION IN SPLIT ENDS**

Find a salon to get your hands on this revolutionary repairing shampoo now.

*After application of Acidic Bonding Concentrate Shampoo & Conditioner vs non-conditioning shampoo
**After application of Acidic Bonding Concentrate Shampoo & Conditioner, Leave-In Treatment vs non-conditioning shampoo

HOW TO USE

Step 1: Apply this bonding pH-balancing shampoo to wet hair, lather and rinse.

Step 2: For optimal results, follow with the Acidic Bonding Concentrate Conditioner and finish with the Acidic Bonding Concentrate Leave-In Treatment before styling.

In case of contact with the eyes, rinse them immediately.

INGREDIENTS

ACTIVE INGREDIENTS

Citric Acid
Supports bond‑reinforcing care by working on the hair surface to help improve the feel of weakened lengths and help repair bonds

7% Conditioning Care Complex
A conditioning complex that helps smooth the hair surface, support softness and help prevent future damage through enhanced surface conditioning.

Please be aware that ingredient lists for the products of our brand are updated regularly. Please refer to the ingredient list on your product package for the most up to date list of ingredients to ensure it is suitable to your personal use.

ALL INGREDIENTS

AQUA / WATER / EAU DECYL GLUCOSIDE SODIUM COCOYL ISETHIONATE COCAMIDOPROPYL BETAINE CITRIC ACID SODIUM HYDROXIDE PANTHENOL GLYCERIN DIMETHICONE PEG-150 DISTEARATE PPG-5-CETETH-20 SODIUM BENZOATE SODIUM CHLORIDE PEG-55 PROPYLENE GLYCOL OLEATE PROPYLENE GLYCOL CARBOMER PARFUM / FRAGRANCE COCO-CAPRYLATE/CAPRATE POLYQUATERNIUM-67 SALICYLIC ACID AMODIMETHICONE SODIUM PHYTATE GLYCOL DISTEARATE COCO-BETAINE ACRYLATES/BEHENETH-25 METHACRYLATE COPOLYMER LIMONENE TRIDECETH-6

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FREQUENTLY ASKED QUESTIONS

Answers to Your Frequently Asked Questions

 

WHAT DOES ACIDIC BONDING SHAMPOO DO FOR YOUR HAIR?

The Redken Acidic Bonding Concentrate Shampoo is a bond strengthening shampoo designed to support damaged or colour‑treated hair. This sulfate‑free, ph balanced shampoo helps reinforce weakened bonds, resulting in smoother‑looking, more conditioned hair. The formula contains Citric Acid to help maintain an optimal pH level while delivering conditioning benefits for colour longevity. This acidic bonding shampoo also helps defend hair from the effects of colouring, hair styling and water exposure.

 
CAN YOU USE ACIDIC BONDING SHAMPOO EVERY DAY?

If you can use Redken Acidic Bonding Concentrate Shampoo everyday is up to your particular hair type and how frequently your scalp produces oil. For most colour-treated hair, using this formula two times a week is ideal for most hair types. This lets the natural oils re-coat each strand between use. Those with curly, coily or thick hair may prefer once‑weekly washing due to slower oil movement or our Acidic Bonding Curls Shampoo, designed to strengthen natural curls. Fine or straight hair may suit more frequent daily use or other hair care products for fine hair. 

 
WHAT ARE PH‑BALANCED SHAMPOOS?
pH‑balanced shampoos are formulated to align with the natural pH range of the hair and scalp. Healthy hair typically sits between pH 4.5 and 5.5, but everyday factors such as water, colouring services and heat tools can push hair to a more alkaline state, affecting smoothness and manageability.

A pH-balanced shampoo and other Redken ABC hair care products help maintain this balance and supports the cuticle, contributing to shinier, smoother‑looking hair with reduced dryness or frizz. For colour‑treated hair, a low pH shampoo can also help maintain colour vibrancy and the appearance of stronger, well‑conditioned hair.

Learn more about how to manage frizzy hair and explore our anti-frizz hair products. 
CAN YOU USE REDKEN ACIDIC BONDING CONCENTRATE PH-BALANCING SHAMPOO AS A LEAVE-IN TREATMENT?

No, this shampoo is designed to be rinsed out. It cleanses the scalp and hair while delivering strengthening benefits, which can then be followed with the Acidic Bonding Concentrate Leave-In Treatment for additional conditioning. 

DO I NEED A PH-BALANCING SHAMPOO?

A pH‑balancing shampoo can be beneficial for all hair types, especially if your hair is coloured, dry or frequently exposed to heat tools. Redken offers a wide range of ph balanced shampoos tailored for different concerns, including our:

• All Soft Argan Oil Shampoo for dry or damaged hair
• Blondage High Bright Shampoo to revitalise blonde hair
• All Soft Mega Curls Shampoo to nourish curly or coily hair
• Extreme Length Shampoo for those looking to grow and fortify long, healthy hair
• And the Colour Extend Magnetics Shampoo, another quality shampoo for damaged coloured hair

HOW IS ACIDIC BONDING CONCENTRATE DIFFERENT FROM OTHER BONDING PRODUCTS?

Our Acidic Bonding Concentrate Shampoo stands out for its use of Citric Acid, an alpha hydroxy acid that helps reinforce weakened hair bonds and support smoother‑looking, more conditioned hair. The low pH formula helps maintain optimal balance on the hair’s surface.

Unlike many bonding systems that are designed as additional steps or in-salon services, this low pH shampoo brings bonding care into a simple, everyday cleansing step suitable for all hair types and textures. It's the same bond repair shampoo Redken Global Ambassador Sabrina Carpenter swears by to maintain her signature blonde hair and bouncy bangs.