Biolage Volume Boost Shampoo 400ml

All hair and skin types.

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

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

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

Most hair types, including those wanting a gentler wash.

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

Oily scalps and routines that need a strong, clarifying wash.

Can be more cleansing than gentler surfactants. Many people use it happily, while others prefer milder options for everyday washing.

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.

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 looking for gentle cleansing or well‑blended lightweight formulas.

It is often used to support mild cleansing systems and to help oil‑based components mix evenly into water‑based products. Its high PEG number indicates strong solubility in water.

Those looking for mild cleansing with a smoother, less stripped feel.

It is often included to make cleansing formulas feel more conditioning and to help solubilise oils or fragrances. It pairs well with stronger surfactants to create a more balanced wash.

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 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.

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

Widely used in shampoos and conditioners for slip and softness.

Those looking to support scalp comfort, strengthen hair, or maintain a healthy-looking scalp barrier.

It is commonly used in both skincare and haircare for its soothing and barrier-supporting properties. It pairs well with many other ingredients and is generally well tolerated.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

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.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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.

Those interested in products formulated for an optimal pH balance.

It is the sodium salt of glycolic acid and is commonly used to help keep formulations stable. In haircare, appropriate pH contributes to how smooth and manageable the hair feels.

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 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.

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.