All hair and skin types.

Almost always the first ingredient listed in water-based 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.

People looking to reduce moisture loss, add slip, or tame frizz.

Mineral oil is a highly refined cosmetic-grade ingredient valued for its stability and ability to lock in moisture. It is commonly used in hair treatments and styling products for added softness and shine.

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

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

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

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

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.

Dry, coarse, curly or thick hair wanting extra softness.

Rich and nourishing, so amounts can be adjusted to hair type.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

Those seeking lightweight natural oils for moisture, shine or scalp comfort.

It is rich in fatty acids that support hair softness without feeling overly heavy. Often used as a carrier oil in both rinse-off and leave-in formulas.

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.

Those looking for softer, more manageable hair or extra slip in styling products.

It forms a lightweight film on the hair to reduce static and enhance glide without leaving heavy residue. It is commonly used in both rinse-off and leave-in formulas.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

People looking for added slip, softness or help with detangling.

It is often used as a silicone alternative to give a light, conditioned feel without heaviness. Its texture can support smoother application and improved manageability.

People who enjoy a scented product.

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

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.

People looking for improved manageability, frizz control, or light styling support.

Polyquaterniums are widely used in haircare for their ability to form a lightweight, conditioning film on the hair surface. This can support smoother styling without heaviness.

Those looking for products with stable, evenly blended textures or clear formulations.

It is commonly used in both haircare and skincare to help disperse fragrance oils or conditioning agents evenly. It also supports the overall texture and consistency of a formula.

Most hair types as part of a moisturising formula.

A widely used humectant and carrier ingredient.

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 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.

Those looking for added softness, shine or a natural source of fatty acids and antioxidants.

It is commonly used in haircare for its emollient feel and ability to support moisture balance without heaviness. Formulators value it for its silky finish.

All products that need protecting from spoilage.

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

Damaged, chemically treated or fragile hair wanting reinforcement.

Protein routines suit some hair well, while very protein-sensitive hair may prefer balance with moisture.

Those with chemically treated, heat‑styled, or fragile hair may find it beneficial.

Keratin used in haircare is typically hydrolysed so it can adhere more easily to the hair surface. It offers cosmetic conditioning benefits rather than permanently altering the internal hair structure.

People looking to improve the feel and resilience of weakened, chemically treated or heat‑styled hair.

Oxidised keratin is a modified form of keratin designed to interact more readily with the hair surface. It is commonly used in strengthening or repair‑focused formulas.

Those looking for gentle scalp-supporting ingredients or products aimed at maintaining scalp freshness.

Fermented mineral complexes can enhance ingredient absorption and are commonly used in soothing or balancing scalp treatments. They are generally included at low levels to complement broader scalp-care formulas.

Those looking for lightweight conditioning ingredients that may support hair strength and resilience.

Fermented mineral ingredients are valued for providing trace elements in a form that is easy for formulations to incorporate. They are commonly included in premium haircare for their supportive, conditioning benefits.

Those looking for lightweight conditioning or formulas featuring fermented actives.

Fermented ingredients are often used to enhance absorption or provide a smoother sensory feel in haircare formulas. Silicon in ferment form is used for its supportive, conditioning benefits rather than as a silicone.