Simply Brilliant 24/7 Brightening Serum 30ml

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.

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

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

Those wanting lightweight hydration without heaviness.

It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

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 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 looking for gentle hydration or formulas suited to dry or sensitive scalps.

It is a sugar alcohol often used to support moisture balance and improve product texture. It can also contribute to overall formula stability.

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.

People dealing with flaky scalps, congestion or product buildup.

It is widely used in scalp-care formulas because it breaks down excess oils and debris without needing physical scrubbing. Often found in dandruff-control products.

Those looking for plant-based or marine-derived ingredients that may support softness or scalp comfort.

This extract is valued for its natural minerals and polysaccharides, which can complement hydrating and conditioning formulas. It is commonly included in both hair and skincare products.

Those living in hard-water areas or using products designed to maintain formula clarity and effectiveness.

By binding minerals, it can help reduce the impact of hard water on hair feel and product behaviour. It is commonly used in modern, mild formulations.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

Anyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.

It also has mild chelating abilities, helping formulas remain stable in the presence of minerals found in water. Its use supports the consistency and performance of many shampoos and conditioners.

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 interested in antioxidant-rich or colour-protecting hair products.

It is commonly derived from plant sources and is used to help protect formulas from oxidative degradation. Its supportive role can complement other antioxidant ingredients.

Those interested in soothing or antioxidant-rich botanical ingredients.

It is commonly used in haircare for its calming and conditioning properties. Its gentle nature makes it suitable for a wide range of formulations.

Those looking to support a comfortable scalp or reduce the feeling of irritation.

It is commonly included in scalp‑focused formulas for its naturally calming profile. As with most botanical extracts, its exact benefits can vary depending on concentration and formulation.

Those who enjoy naturally derived citrus fragrances in their haircare routine.

As a citrus essential oil, it is mainly used for its aroma and may also offer a refreshing sensory experience. Like many essential oils, it is used in small amounts within balanced formulas.

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.

People who prefer products with a richer or more gel-like texture.

It is a polysaccharide widely used in cosmetics to keep formulas uniform and easy to apply. It works well alongside many other common ingredients.

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

It is commonly derived from chamomile or produced synthetically with similar benefits. It is widely used in both skincare and haircare for its gentle, comforting profile.

Those seeking gentle hydration or lightweight moisture support.

It is part of the polyhydroxy acid (PHA) family and is known for being mild and suitable for many hair types. It can also support product stability and texture.

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.

Most hair types as part of a moisturising formula.

A widely used humectant and carrier ingredient.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

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 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.

All products that need protecting from spoilage.

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