The Therapist Hydrating Conditioner 300ml

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.

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

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

Those who like richer conditioners or masks that feel smooth and spread easily.

It also offers light conditioning and can help soften the feel of hair. It is widely used in both skincare and haircare for its reliable stabilising properties.

Those looking for smoother-feeling hair or products that apply and spread easily.

It is a lightweight ester often used to reduce greasiness and enhance the feel of conditioning formulas. It can also support fragrance and oil distribution within a product.

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.

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

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

People looking for smoother, easier-to-comb hair, especially in conditioners and leave-in products.

Despite the name, it is not a strong sulphate cleanser but a gentle, oil-loving conditioning compound derived from fatty alcohols.

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.

Those who prefer creamy, uniform formulas that spread easily through the hair.

It is widely used in conditioners and styling products to keep formulas stable and consistent. Although derived from fatty acids, it primarily functions as a processing and texture ingredient.

All products that need protecting from spoilage.

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

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.

Those looking to enhance manageability, reduce the feel of dryness, or support colour retention.

Hydrolysed quinoa contains smaller protein fragments that can lightly film the hair, helping it feel smoother. It is often included in colour-care and strengthening formulas.

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.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

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 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 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 use products that need to stay evenly mixed or prefer gentle cleansing action.

It is commonly used to solubilise fragrance or lightweight oils in haircare formulas. Its presence helps products remain stable and smooth in texture.

Those interested in gentle preservation systems or sensitive scalps may find it relevant.

It is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.

Anyone who uses water-based products that benefit from reliable preservation.

It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.

Those using sprays or styling products that benefit from fast evaporation.

In haircare, this typically refers to ethanol or denatured alcohol, which helps formulas feel lighter and dry faster. Its effect depends on the overall product balance and supporting conditioning ingredients.

People using products that rely on precise pH levels for smoothness or shine.

Acetic acid is a simple organic acid also found in vinegar and is commonly used to keep formulas stable and effective. At low levels, it can help support cuticle lay-down, contributing to smoother-feeling hair.

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.