Fabuloso Chestnut

All hair and skin types.

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

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.

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

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

Those who prefer products with a light, uniform texture that spread easily.

It is commonly used to improve the consistency and stability of creams, conditioners and styling products. It also assists in solubilising fragrance or oil components into water‑based bases.

Those with dry or dehydrated hair seeking smoother, more manageable texture.

It is commonly used to improve hair softness and maintain moisture balance in formulations. It can also support the spreadability and feel of leave‑in and rinse‑off products.

Those using products that need light cleansing or stable blends of oils, silicones, or fragrances.

It is commonly used to solubilise fragrance or silicone ingredients in shampoos and treatments. Its mild, nonionic nature means it typically works well alongside other surfactants.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Dry, dull or frizz-prone hair.

A popular conditioning oil used across many treatment and shine products.

People who enjoy a scented product.

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

All products that need protecting from spoilage.

A very common, well-studied preservative used at low levels.

Those who want products to stay fresh for longer, including people who use products slowly or store them in humid bathrooms.

It is often used at low levels and works well alongside other preservative systems to support formula longevity. It is commonly included in both rinse-off and leave-in products.

Those who want products that remain fresh and effective throughout their shelf life.

Benzoic Acid is often used alongside other preservatives to create a broad-spectrum system. It also plays a minor role in helping maintain a product’s pH balance.

Those looking to add smoothness, shine or moisture to dry or coarse hair.

It is rich in fatty acids that can help improve hair feel without leaving a heavy residue. Often used in both rinse-off and leave-in formulas.

People looking to maintain colour-treated hair or reduce UV impact on hair and scalp.

It is often used to help stabilise formulas that may be exposed to sunlight. Its presence can support the longevity of colour care products.

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

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

People using permanent or semi‑permanent hair colouring products.

It is one of many colourants used to achieve specific shades, particularly in brunette formulas. Its performance depends on the overall dye system and formulation.

People using oxidative or direct hair dyes who want specific blue or cool-toned results.

It is commonly used in professional and consumer hair-colouring formulas to provide stable, predictable colour results. Its performance depends on the overall dye system and hair condition.

Those who enjoy lightly floral-scented haircare products.

It is one of the fragrance allergens that must be listed on labels when present above certain thresholds. Its presence does not indicate product quality, but can help those monitoring specific fragrance components.

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 distinctly floral-scented products.

It is a recognised fragrance allergen, so people with known fragrance sensitivities may prefer to patch test. Regulations and usage vary by region, and it may be phased out in some markets.

Those interested in identifying specific fragrance components in their products.

It is one of the fragrance allergens that brands must list separately on product labels when present above certain thresholds. Its inclusion does not indicate product quality; it simply helps with transparent fragrance disclosure.

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.

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 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.

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 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.