The Vitamin C 13 Serum 20ml

All hair and skin types.

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

People using clarifying or colour-care products may appreciate its ability to support brightness and maintain product performance.

It can also function as an antioxidant, helping protect formulas from oxidation. Its presence does not typically affect how a product feels or performs on the hair.

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 looking for products that support moisture balance without heaviness.

It is also commonly used as a solvent to help dissolve other ingredients evenly in a formula. It is well tolerated in most haircare products and contributes to a smooth application feel.

Anyone using products that rely on precise pH for performance or scalp comfort.

It is commonly used to fine‑tune the pH of gels, creams and serums so they remain effective and feel pleasant on the skin or scalp. Its presence does not affect the texture or finish of the final product for most users.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Those seeking hydration, improved softness or enhanced manageability.

It is a derivative of glucosamine often used in skincare and can also support moisture balance in hair products.

People interested in scalp-focused formulas or products aimed at maintaining the appearance of fuller, energised hair.

It is often included in shampoos, tonics and leave‑ins to complement other scalp-care ingredients. Its effects are generally most noticeable when used consistently.

Those with dry, dehydrated or coarse hair seeking added softness and moisture retention.

It is the salt form of hyaluronic acid and is widely used because it can hold many times its weight in water. In haircare, it helps support smoother, more manageable strands without adding heaviness.

Those interested in ingredient lists for sensitivity reasons or who like understanding how products stay stable.

It functions as a reducing agent, supporting the long-term quality of a formula. It is not usually included for direct hair benefits but for product integrity.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

People interested in antioxidant-rich or protective hair treatments.

Glutathione is a tripeptide naturally present in the body and is used in cosmetics for its supportive antioxidant properties. In haircare, it is typically included in small amounts to help maintain formula quality.

People looking for scalp‑care formulas or products aimed at supporting fuller‑looking hair.

It is often included in leave‑on treatments where it can sit on the scalp for longer contact time. Research has explored its role in supporting the appearance of thicker, denser hair.

Those looking for botanical ingredients that support hair softness and overall conditioning.

Botanical extracts like this one are often included to complement a formula with plant-based benefits or natural positioning. Its specific effects can vary depending on concentration and the overall formulation.

Those with a sensitive or easily irritated scalp may appreciate its calming effect.

It is widely used in personal care for its comforting feel and compatibility with many formulas. In haircare, it supports a smoother, more comfortable scalp experience.

People looking for gentle styling support or added volume without a heavy feel.

Dextrin is a carbohydrate-based ingredient commonly derived from starch and is widely used for its versatile thickening and film-forming qualities.

Those seeking added softness, shine and frizz control without a heavy or greasy feel.

It is often derived from plant sources such as sugarcane and is valued for its stability and non-greasy texture. It is suitable for most hair types, including fine hair, due to its lightness.

People interested in antioxidant support or maintaining hair and scalp condition.

Tocotrienols are naturally present in certain plant oils and are valued for their stability and protective properties in cosmetic formulas. They are typically used in small amounts to enhance formula resilience and support hair feel.

Those wanting added nourishment or antioxidant support in their haircare routine.

Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.

Those looking for added smoothness, shine and nourishment in dry or coarse hair.

Palm-derived oils are commonly used in haircare for their emollient properties and ability to support a smooth, manageable feel.

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.

Those looking to support scalp comfort, strengthen hair, or maintain a healthy-looking scalp barrier.

It is commonly used in both skincare and haircare for its soothing and barrier-supporting properties. It pairs well with many other ingredients and is generally well tolerated.

Those seeking lightweight hydration without heaviness.

It also supports product texture and can enhance the performance of other ingredients in a formula.