Redken Acidic Bonding Curls Shampoo

All hair and skin types.

Almost always the first ingredient listed in water-based products.

Those who prefer a deep‑cleaning or clarifying effect, especially in shampoos.

It is often used in clarifying formulas because it creates a rich lather and provides an effective cleanse. Its intensity can feel more cleansing than milder surfactants, depending on hair type and formulation.

Most hair types, including those wanting a gentler wash.

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

People looking for mild, low-foaming cleansers that are generally considered suitable for sensitive or dry hair types.

It is often used as an alternative to stronger surfactants to create a softer, more conditioning lather. It can also support formula stability and mildness in blended surfactant systems.

People who like a rich, stable lather in their cleansing products.

It is often used alongside primary surfactants to enhance texture and mildness. Its viscosity‑boosting effect can also improve the feel of rinse‑off formulas.

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

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

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

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.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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

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

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

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

Those using products that blend oils with water-based formulas, such as lightweight cleansers or treatment sprays.

It is often used to help create stable, uniform textures and to support gentle cleansing or dispersion of conditioning oils. Its PEG content also helps products rinse easily.

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

Widely used in shampoos and conditioners for slip and softness.

Those interested in how product pH affects scalp comfort or hair cuticle behaviour.

It is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

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

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.

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

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.

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

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.

People dealing with flaky scalps, congestion or product buildup.

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.

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.

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.

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

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

Those who enjoy subtly scented haircare products.

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.

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

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.

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

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.

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

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

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

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.

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

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.

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

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

People looking to support hair strength, smoothness or manageability, especially in damaged or chemically treated hair.

Hydrolysed proteins are broken down into smaller components so they can more easily interact with the hair surface. They are commonly used to enhance feel, softness and resilience in many haircare formulas.

Those seeking added strength, light conditioning, or improved elasticity in their hair.

It provides a lightweight form of protein that can help support the hair’s structure without heavy build-up. Many formulations use it to enhance overall feel and resilience.

People looking to support strength in fragile, chemically treated or dehydrated hair.

Hydrolysed proteins are broken down into smaller fragments so they can more easily interact with the hair surface. They are commonly used in both daily care and strengthening treatments.

Anyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.

It also has mild chelating abilities, helping formulas remain stable in the presence of minerals found in water. Its use supports the consistency and performance of many shampoos and conditioners.