Youth Lock Treatment Masque 150ml

All hair and skin types.

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

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.

Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.

Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.

Those with dry or dehydrated hair types looking for extra moisture retention.

It is a sugar-derived ingredient often used alongside other moisturisers to improve hair softness and manageability. It can also support product texture and stability.

People looking for smoother-feeling hair or richer, more conditioning formulas.

Despite the name, fatty alcohols like behenyl alcohol are quite different from drying alcohols and are commonly used to add slip and creaminess to haircare products. They can also support the stability and thickness of conditioners and masks.

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 conditioners or treatments that provide slip, softness and richer textures.

Although called an alcohol, it is a waxy, non‑drying fatty alcohol commonly used to enhance conditioning performance and product stability.

Those looking for added softness, slip or reduced frizz in conditioners and shampoos.

It is an ester of glycerin and oleic acid and is commonly used to boost conditioning performance in cleansing products. It can also help reduce the stripping feel of some surfactants.

People with weakened, chemically treated, or brittle hair looking for a reinforcing ingredient.

Hydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair surface. They are commonly used to enhance conditioning performance alongside other moisturising ingredients.

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 looking for improved slip, reduced frizz, and a smoother finish.

It is known for its ability to bond lightly to the hair, offering lasting conditioning benefits. It is commonly used in both rinse-off and leave-in products for enhanced manageability.

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.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

Those looking for added slip and softness, or products that spread easily without heaviness.

It is a long‑chain fatty alcohol commonly used to enhance conditioning and provide a silky application feel. It is well tolerated by most hair and scalp types.

Most hair types as part of a moisturising formula.

A widely used humectant and carrier ingredient.

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.

People who prefer products with a smoother, more luxurious texture or improved spreadability.

It can also form a light film on the hair, supporting product consistency and feel. PEG polymers are widely used in both skincare and haircare for their reliable performance.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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

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

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 seeking lightweight conditioning or products designed to support the hair’s moisture balance.

It is a naturally occurring lipid often used to help improve texture and spreadability in formulations. In some products it also supports the delivery of other ingredients.

Those looking for formulas that help with hair resilience or hydration.

Arginine is naturally present in the hair’s keratin structure and is commonly added to strengthening or repairing products. It is also used in some formulations to help support scalp comfort.

People looking for repair-focused or strengthening haircare formulas.

Arginine Hydrochloride is commonly included in haircare to support the hair fibre and enhance conditioning benefits.

Those looking to add softness, shine or a natural conditioning boost to dry or textured hair.

It is valued for its balance of fatty acids, which help support smooth, manageable hair. Often included in blends to enhance overall nourishment.

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.

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.