Leave-In Molecular Repair Mask Mini 5ml

All hair and skin types.

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

People who use styling products that benefit from quick drying or a lightweight feel.

Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.

Most hair types as part of a moisturising formula.

A widely used humectant and carrier ingredient.

Those who want a conditioning feel without the weight of richer oils or butters.

It is often used to improve spreadability and give hair products a silky, non-greasy finish. It can also help enhance product absorption and overall texture.

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.

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.

Those looking for conditioning, slip, or richer textures in their haircare products.

Despite the name, fatty alcohols like cetyl alcohol are non‑drying and are commonly used to add emollience and stability to formulations.

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.

Hair wanting added body, smoothness or temporary strength.

A common protein in repair and volumising formulas.

Those looking for added softness, light smoothing or gentle strengthening benefits.

Its smaller molecular size allows it to coat hair more easily than regular starch, offering a softening effect without heaviness. It is commonly used in both rinse-off and leave-in formulations.

People looking to improve hair strength, smoothness or resistance to breakage.

It forms a lightweight film on the hair to boost softness and resilience without heavy build-up. Often used in strengthening and smoothing formulas.

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 seeking lightweight hydration or formulas that help smooth and soften hair.

Amino acids like serine are often included in conditioning or strengthening blends to complement other hair-hydrating ingredients. They can be used in many types of haircare from shampoos to treatments.

Those looking for formulas that help maintain softness and support the hair’s protein structure.

Amino acids are often included in haircare to help improve the feel and manageability of the hair fibre. They can complement other conditioning and strengthening ingredients in a formula.

Those looking for formulas that help improve softness or replenish amino acids in chemically treated or dry hair.

It is often included as part of amino acid blends that help maintain the hair’s moisture balance. Its effects are subtle but can contribute to an overall conditioning system.

Those with dry or dehydrated hair seeking improved softness and manageability.

PCA is related to naturally occurring moisturising factors found in skin and hair. It is often used alongside other humectants for balanced hydration.

Those looking for formulas that help smooth the cuticle or gently refine the scalp surface.

Lactic Acid can also provide mild hydrating and smoothing benefits in haircare. Its pH-balancing role helps support product stability and performance.

Those using products with essential oils or fragranced blends, as it helps disperse these evenly.

It is widely used as a gentle solubiliser in both leave‑in and rinse‑off products. Its presence can improve product consistency and prevent ingredient separation.

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.

All products that need protecting from spoilage.

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

Anyone who wants products to stay fresh and stable over time.

Parabens like methylparaben are widely used because they are effective in very small amounts and have a long history of use in cosmetics. They help maintain product quality, especially in water-based formulas.

Those who want products with reliable preservation, including professionals who need consistent shelf stability.

Ethylparaben is part of the paraben family, which has been widely used for many years due to its effectiveness in small amounts. It is often combined with other preservatives to create a broad‑spectrum system.

Anyone using products that benefit from a long, reliable shelf life.

Propylparaben is a widely used preservative that helps maintain product quality and freshness. It is used at very low levels and is well studied for its role in keeping formulations stable.

Those who want products with a longer shelf life and consistent performance.

Parabens like butylparaben are widely used and well-studied preservatives that help keep products stable. They are typically present in very small amounts to maintain freshness and quality.

People who enjoy a scented product.

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

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.

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.