Limited edition
Staff Choice
Redken Acidic Bonding Concentrate Duo
Redken Acidic Bonding Concentrate Duo
Redken Acidic Bonding Concentrate Duo
"I bought these products a couple weeks ago and I'm already noticing changes. My hair was really dry and brittle and I had a hard time growing it out but since I'm using Redken it's gotten so much better and still keeps improving. Definitely buying again! :) " - Magdalena
Redken

Acidic Bonding Concentrate Shampoo & Conditioner 300ml Duo 2 items

5 (2)
Save 20%
$88.00
$110.00
Only 8 remaining in stock!
4 payments of with
  • Delivery
  • Click & Collect
In Stock - Free Shipping
Estimated delivery: Thu, Aug 6th - Tue, Aug 11th

Free Click and collect is available at checkout. Orders are ready within 1 hour during opening hours. Store Address: 56 Parer Rd, Airport West, VIC Australia 3042 Phone (03) 9999 5902

Artists & Models Oval Styling Brush Gift
FREE Brushworx Oval Styling Brush
Valued at $29.95, free with all orders over $129.
Most Helpful Review
"I bought these products a couple weeks ago and I'm already noticing changes. My hair was really dry and brittle and I had a hard time growing it out but since I'm using Redken it's gotten so much better and still keeps improving. Definitely buying again! :) " - Magdalena
Why You’ll love it
Damaged
Volumising
Sulphate Free
Turn fragile, stressed strands into smoother, easier-to-manage hair you enjoy styling.
Helps reduce the feeling of dryness and rough, brittle lengths.
Leaves hair touchably soft with a sleek, satin-like finish.
Supports colour-treated hair so it looks fresher, not dull or flat.
Description
Read more
Directions
Ingredients
  • Sodium Laureth Sulfate Cleansers / surfactants
    Cleanser

    Helps cleanse the hair and scalp by removing oil, sweat and product build-up.

    May suit

    Oily scalps, heavy product users and people who like a strong cleanse.

    Worth knowing

    May feel too cleansing for some dry, curly, colour-treated or sensitive hair types. This depends on the full formula and your hair needs.

  • Cocamidopropyl Betaine Cleansers / surfactants
    Cleanser / foam booster

    A milder co-surfactant that helps cleanse, boost foam and soften the feel of stronger cleansers.

    May suit

    Most hair types, including those wanting a gentler wash.

    Worth knowing

    Often paired with other surfactants to make a formula feel milder.

  • Glycol Distearate Thickeners and stabilisers
    Opacifier and pearlising agent

    Adds a pearlescent look and helps thicken and stabilise shampoos and conditioners.

    May suit

    Those who like creamy, luxurious-feeling shampoo or conditioner textures.

    Worth knowing

    It also provides a mild conditioning feel, helping formulas spread smoothly through the hair. Its use is common in many everyday cleansing products.

  • Dimethicone Silicones
    Slip and shine agent

    Smooths the hair surface, adds slip and shine and helps reduce frizz.

    May suit

    Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.

    Worth knowing

    Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.

  • Coco-Betaine Cleansers / surfactants
    Mild surfactant

    A mild, coconut-derived surfactant that helps cleanse and create a soft lather.

    May suit

    People looking for gentle cleansing that doesn't feel stripping.

    Worth knowing

    It is often used alongside other surfactants to improve foam quality and overall mildness. Common in shampoos designed for frequent use.

  • Citric Acid pH adjusters
    pH adjuster

    Fine-tunes the product pH, which can help the hair surface feel smooth.

    May suit

    Most hair types as part of a balanced formula.

    Worth knowing

    Usually present in small amounts to balance the formula.

  • Sodium Chloride Thickeners and stabilisers
    Viscosity adjuster

    Sodium Chloride is used to adjust the thickness of shampoos and other cleansing formulas.

    May suit

    Those interested in how a product’s texture and lather are achieved.

    Worth knowing

    It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.

  • Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that targets rougher areas of the hair to smooth and protect.

    May suit

    Damaged, frizz-prone or colour-treated hair wanting targeted smoothing.

    Worth knowing

    Designed to deposit where hair needs it most. Some prefer silicone-free formulas by choice.

  • Sodium Benzoate Preservatives
    Preservative

    Helps protect water-based products from spoilage so they stay usable.

    May suit

    All products that need a preservative system.

    Worth knowing

    Often paired with other preservatives for broad protection.

  • Polyquaternium-10 Conditioning agents
    Conditioning agent

    A conditioning polymer that smooths the hair surface and helps with detangling and feel.

    May suit

    Most hair types wanting smoother, easier-to-manage hair.

    Worth knowing

    Widely used in shampoos and conditioners for slip and softness.

  • Carbomer Thickeners and stabilisers
    Thickener and stabiliser

    Carbomer helps thicken and stabilise gels, creams and styling formulas.

    May suit

    Anyone who prefers smooth, consistent textures in styling or leave-in products.

    Worth knowing

    It helps formulas stay evenly mixed and glide easily through the hair or onto the scalp. It is widely used because it works in very small amounts and provides reliable texture.

  • PPG-5-Ceteth-20 Cleansers / surfactants
    Solubiliser / surfactant

    A non-ionic surfactant that helps blend oil- and water-based ingredients and improve product texture.

    May suit

    Those using products that need lightweight cleansing or stable, uniform formulations.

    Worth knowing

    It is commonly used to solubilise fragrance oils and support smooth, consistent formulations. Its mild nature makes it suitable for a wide range of haircare products.

  • Guar Hydroxypropyltrimonium Chloride Conditioning agents
    Conditioning polymer

    A conditioning polymer that helps smooth hair and improve slip.

    May suit

    Those looking for softer, easier-to-detangle hair.

    Worth knowing

    It is derived from guar gum and is commonly used to enhance conditioning in shampoos and conditioners. It can also reduce static and improve manageability.

  • Hexylene Glycol Solvents
    Solvent and texture enhancer

    Hexylene Glycol helps dissolve other ingredients and improves the spreadability of haircare formulations.

    May suit

    Those using stylers, treatments or serums that rely on smooth, even application.

    Worth knowing

    It is commonly used in both leave-in and rinse-off products to support stable, easy-to-apply textures. It can also assist with product absorption and consistency.

  • Salicylic Acid Exfoliating acids
    Scalp exfoliant

    Helps dissolve dead skin buildup on the scalp and supports a clearer, fresher surface.

    May suit

    People dealing with flaky scalps, congestion or product buildup.

    Worth knowing

    It is widely used in scalp-care formulas because it breaks down excess oils and debris without needing physical scrubbing. Often found in dandruff-control products.

  • Trisodium Ethylenediamine Disuccinate Chelating agents
    Chelating agent

    Helps bind metal ions in formulas to improve product stability and performance.

    May suit

    People in hard‑water areas who want products that rinse cleanly and maintain consistent results.

    Worth knowing

    It supports formula stability and can help prevent mineral build‑up that may affect how products feel or work on the hair.

  • Linalool Fragrance ingredients
    Fragrance component

    A fragrance component found naturally in many flowers and spices.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Benzyl Alcohol Preservatives
    Preservative

    Helps preserve formulations and can also act as a solvent or light fragrance component.

    May suit

    Those interested in understanding preservative systems or identifying potential fragrance allergens.

    Worth knowing

    Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.

  • Limonene Fragrance ingredients
    Fragrance component

    A fragrance component that also occurs naturally in many citrus and plant oils.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Benzyl Salicylate Fragrance ingredients
    Fragrance component

    Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.

    May suit

    Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

    Worth knowing

    It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

  • Hydroxycitronellal Fragrance ingredients
    Fragrance component

    Hydroxycitronellal is a fragrance ingredient used to give haircare products a fresh, floral scent.

    May suit

    Those who enjoy scented hair products or want a light floral note in their routine.

    Worth knowing

    It is one of the fragrance allergens that must be listed on labels when present above certain thresholds. People who are monitoring fragrance components for sensitivity may find this information useful.

  • Citronellol Fragrance ingredients
    Fragrance component

    A fragrance component with a soft floral, rose-like character.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Cetrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps smooth and soften the hair while reducing static and tangles.

    May suit

    People looking for improved manageability, detangling and smoother-feeling hair.

    Worth knowing

    It is a commonly used quaternary ammonium compound that helps conditioners spread easily through the hair. It is effective even at low levels, which is why it appears frequently in rinse-off products.

  • Trideceth-6 Cleansers / surfactants
    Solubiliser / surfactant

    A non-ionic surfactant that helps blend oil-soluble ingredients into water-based formulas.

    May suit

    Those using products with oils or silicones who want them to rinse evenly without residue.

    Worth knowing

    It is commonly used in shampoos and styling products to support stable, uniform textures. Its mild nature makes it suitable for a wide range of formulations.

  • Cetearyl Alcohol Conditioning agents
    Fatty alcohol conditioner

    A fatty alcohol that helps soften hair and improve the texture of formulations.

    May suit

    People looking for smoother, more manageable hair or richer, creamier product textures.

    Worth knowing

    Despite the name, fatty alcohols are moisturising and conditioning rather than drying. They also help stabilise and thicken many haircare formulas.

  • Behentrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps detangle and soften, reducing static and roughness.

    May suit

    Most hair types, especially tangle-prone or coarse hair.

    Worth knowing

    A common conditioner ingredient despite the chloride name, which simply describes its chemistry.

  • Cetyl Esters Conditioning agents
    Emollient / slip enhancer

    Provides slip and softness while helping to smooth the hair’s surface.

    May suit

    People looking for smoother, more manageable hair textures.

    Worth knowing

    Cetyl esters are wax‑like emollients that improve product spreadability and give a soft, conditioned feel. They are commonly used to enhance texture without heaviness.

  • Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that targets rougher areas of the hair to smooth and protect.

    May suit

    Damaged, frizz-prone or colour-treated hair wanting targeted smoothing.

    Worth knowing

    Designed to deposit where hair needs it most. Some prefer silicone-free formulas by choice.

  • Isopropyl Alcohol Solvents
    Solvent

    Helps dissolve ingredients and supports quick-drying formulas.

    May suit

    Those using styling products that benefit from fast evaporation, such as sprays.

    Worth knowing

    It is commonly used at low levels to improve texture and spreadability. It evaporates quickly, leaving minimal residue on the hair.

  • Glycerin Humectants
    Humectant

    Attracts and holds water to help hair feel hydrated and soft.

    May suit

    Dry or dehydrated hair, and many curl and moisture routines.

    Worth knowing

    A very common, well-tolerated humectant used across countless products.

  • Citric Acid pH adjusters
    pH adjuster

    Fine-tunes the product pH, which can help the hair surface feel smooth.

    May suit

    Most hair types as part of a balanced formula.

    Worth knowing

    Usually present in small amounts to balance the formula.

  • Potassium Hydroxide pH adjusters
    pH adjuster

    Helps control and stabilise the pH of haircare formulas.

    May suit

    Those interested in how a product’s pH is balanced for performance and comfort.

    Worth knowing

    Potassium Hydroxide is used in very small amounts to achieve the desired pH during formulation and is not present at high levels in finished products.

  • Trideceth-6 Cleansers / surfactants
    Solubiliser / surfactant

    A non-ionic surfactant that helps blend oil-soluble ingredients into water-based formulas.

    May suit

    Those using products with oils or silicones who want them to rinse evenly without residue.

    Worth knowing

    It is commonly used in shampoos and styling products to support stable, uniform textures. Its mild nature makes it suitable for a wide range of formulations.

  • Cetrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps smooth and soften the hair while reducing static and tangles.

    May suit

    People looking for improved manageability, detangling and smoother-feeling hair.

    Worth knowing

    It is a commonly used quaternary ammonium compound that helps conditioners spread easily through the hair. It is effective even at low levels, which is why it appears frequently in rinse-off products.

  • Lactic Acid pH adjusters
    pH adjuster

    Helps adjust and maintain the product’s pH for optimal performance.

    May suit

    Those looking for formulas that help smooth the cuticle or gently refine the scalp surface.

    Worth knowing

    Lactic Acid can also provide mild hydrating and smoothing benefits in haircare. Its pH-balancing role helps support product stability and performance.

  • Hydroxyethylcellulose Thickeners and stabilisers
    Thickener and stabiliser

    A polymer that helps thicken and stabilise haircare formulas.

    May suit

    Those who prefer products with a smooth, uniform texture or need easier application and distribution.

    Worth knowing

    It is derived from cellulose and is widely used because it provides viscosity without weighing hair down. It also helps improve the feel and spreadability of many water-based products.

  • Hexyl Cinnamal Fragrance ingredients
    Fragrance component

    A fragrance ingredient used to give products a light, floral scent.

    May suit

    Those who enjoy subtly scented haircare products.

    Worth knowing

    It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.

  • Linalool Fragrance ingredients
    Fragrance component

    A fragrance component found naturally in many flowers and spices.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Benzyl Alcohol Preservatives
    Preservative

    Helps preserve formulations and can also act as a solvent or light fragrance component.

    May suit

    Those interested in understanding preservative systems or identifying potential fragrance allergens.

    Worth knowing

    Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.

  • Benzyl Salicylate Fragrance ingredients
    Fragrance component

    Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.

    May suit

    Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

    Worth knowing

    It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

  • Citronellol Fragrance ingredients
    Fragrance component

    A fragrance component with a soft floral, rose-like character.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

  • Coumarin Fragrance ingredients
    Fragrance component

    Coumarin is a fragrance ingredient that adds a sweet, warm, slightly herbal note to scented formulations.

    May suit

    Those who enjoy subtly sweet, complex fragrance profiles in their haircare products.

    Worth knowing

    It is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.

  • Limonene Fragrance ingredients
    Fragrance component

    A fragrance component that also occurs naturally in many citrus and plant oils.

    Worth knowing

    A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

Questions and Answers

Questions and Answers

Write A Question
Name
E-mail
Your Question
Reviews

Reviews: Redken Acidic Bonding Concentrate Shampoo & Conditioner 300ml Duo

5 (2)
2
0
0
0
0
Most Helpful Review
I bought these products a couple weeks ago and I'm already noticing changes. My hair was really dry and brittle and I had a hard time growing it out but since I'm using Redken it's gotten so much better and still keeps improving. Definitely buying again! :)
Written by Magdalena On 05/11/2025
1 people found this helpful
Write a review
Your evaluation
Name
E-mail
Your Review
Find your product in seconds!
Haircare
Skincare
Makeup