RE/START Color Strengthening Purple Cleanser 1 Litre

All hair and skin types.

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

People looking for a gentle, low-irritation cleansing option or those using sulphate-free shampoos.

It is known for being milder than many traditional surfactants and is often used in formulas designed to maintain softness after washing.

Those looking for hydrated, smoother-feeling hair or lighter-feeling formulations.

It is commonly used to help ingredients dissolve and to give formulas a soft, glide-on texture. It appears in many leave-in and rinse-off products due to its versatility.

Those looking for mild, low‑foaming cleansing in shampoos or scalp-friendly formulas.

It is commonly used in gentle or children’s shampoos because it helps reduce harshness in surfactant blends. It also works well alongside anionic surfactants to improve overall formula mildness.

People who enjoy a scented product.

Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

Those who prefer mild cleansing agents or enjoy richer, more stable product textures.

It is commonly used to boost viscosity and support the overall feel of shampoos and cleansing conditioners. Its mild nature makes it compatible with many other surfactants.

Most hair types, including those wanting a gentler wash.

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

People looking for a mild, low-irritation cleanser in shampoos or co-washes.

It is known for producing a rich lather even in sulphate-free formulas and is often used to create a smooth, conditioned feel after rinsing.

Those looking for smooth, uniform product textures or gentle cleansing performance.

It is commonly used to stabilise formulas and improve the spreadability of conditioners and shampoos. Its presence can also enhance the overall feel of a product.

Those with oily, congested or imbalance‑prone scalps.

It is an amino-acid derivative commonly used in scalp-care formulas for its gentle, supportive effect on the scalp barrier. It can also complement other soothing or clarifying ingredients in a routine.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

People looking for botanical ingredients that help support hair softness and overall hair vitality.

Açaí fruit extract is rich in naturally occurring antioxidants, which can complement other conditioning or protective ingredients in a formula. It is commonly included in treatments, shampoos, and masks to enhance the sensory feel of the product.

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 who prefer formulas designed to maintain stability with lower preservative loads.

It is commonly used in modern formulations to enhance overall product stability and texture. It can also contribute mild soothing properties in some formulas.

Those looking for improved manageability, slip and a softer feel.

It is often used in modern formulas to enhance conditioning without adding heaviness. It can also support moisture retention in the hair.

Those with weakened, chemically treated or breakage-prone hair.

It works by supporting the internal structure of the hair fibre, complementing other conditioning or repair-focused ingredients.

Often used alongside Hydroxypropyl Gluconate as part of a dual-action system aimed at reinforcing hair from within.

Those looking for conditioning support or richer, more emollient formulas.

It is naturally found in coconut and palm-derived oils and is commonly used to enhance texture and conditioning performance in haircare products.

Those using haircare in hard-water areas or seeking formulas that resist mineral build-up.

Chelating agents can help shampoos and treatments work more consistently by reducing the effect of minerals like calcium and magnesium. They are widely used to maintain clarity and stability in water-based formulas.

People seeking lightweight hydration or improved hold in styling products.

It is a carbohydrate derived from starch and is commonly used to support texture and moisture balance in formulations.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Those who prefer products with a smoother, creamier consistency.

It is often used to create uniform, easy-to-spread formulations and can also contribute mild surfactant properties. It is commonly found in shampoos, conditioners and styling products.

Anyone who prefers products with a richer, creamier feel or improved spreadability.

It is often used in conditioners and styling products to enhance texture and keep formulas stable over time. It also helps emulsify oil and water components for an even finish.

Those seeking lightweight hydration without heaviness.

It also supports product texture and can enhance the performance of other ingredients in a formula.

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

Widely used in shampoos and conditioners for slip and softness.

Those wanting lightweight hydration without heaviness.

It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

Those interested in products formulated for pH balance or stability.

It supports formula consistency and can enhance the performance of other ingredients by keeping the product within its optimal pH range.

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.

Those looking for added conditioning support or antioxidant benefits in their haircare.

It is commonly used because it is more stable than pure vitamin E while still offering similar benefits. It appears in many leave-in and rinse-off formulations.

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

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

Those seeking improved hydration, softness or smoother hair feel.

It is often used alongside other sugar-based moisturisers to support long‑lasting hydration. It is considered a gentle, conditioning ingredient suitable for most hair types.

People looking for products that target scalp freshness or mild scalp build-up.

It offers both mild cleansing and antimicrobial benefits, which can contribute to a cleaner-feeling scalp. Its use varies by formula, so its role may range from supportive to functional depending on the product.

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 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 who enjoy floral-scented hair products or are checking for specific fragrance components.

It is naturally found in essential oils such as rose and geranium and is commonly used to enhance scent profiles. It must be listed on labels when present above certain trace levels.

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

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.

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.