Flourish Density Booster 120ml

All hair and skin types.

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

Those with chemically treated, heat‑styled, or fragile hair may find it beneficial.

Keratin used in haircare is typically hydrolysed so it can adhere more easily to the hair surface. It offers cosmetic conditioning benefits rather than permanently altering the internal hair structure.

People using stimulating or energising scalp products aiming to support a refreshed sensation.

It is often included at low levels in targeted scalp treatments to create a warming effect. This tingling sensation is normal and is linked to its circulation-boosting activity.

Those interested in products targeting scalp vitality or fuller-looking hair.

It is often combined with plant extracts to support the scalp and is valued for its lightweight, non-greasy feel. Its role is cosmetic and focuses on improving the appearance and condition of the scalp.

Those interested in lightweight botanical support for scalp comfort or hair vitality.

Ginger root extract is commonly included in haircare for its stimulating and revitalising properties. It pairs well with other botanical extracts in scalp-focused formulas.

People seeking plant-derived antioxidants or gentle scalp-conditioning ingredients, and those preferring botanical actives in formulations.

Contains vitamins and phenolic compounds that can contribute antioxidant and soothing effects; efficacy depends on extract type and concentration. As a botanical extract it is typically used alongside other functional ingredients and may vary between suppliers.

Nasturtium officinale (watercress) leaf extracts are obtained using aqueous or hydroalcoholic extraction and can contain vitamin C, carotenoids, flavonoids and glucosinolate-derived compounds. In haircare it is primarily included for antioxidant support, to help maintain scalp comfort and to add a botanical marketing benefit; concentrations are usually low and formulations are tailored so the extract complements emulsifiers, preservatives and active ingredients. Like other botanicals, it can cause sensitivity in a small number of individuals, so formulations are stability- and compatibility-tested by manufacturers.

People seeking plant-derived ingredients for added softness, nourishment or scalp comfort.

This extract is valued for its natural antioxidant content, which can complement a wide variety of haircare formulas. Its conditioning properties make it common in both rinse-off and leave-in products.

Those who enjoy botanically derived ingredients or light floral notes in haircare.

Jasmine extracts are commonly included to enhance sensory experience and provide a soft, luxurious feel to formulations. They can appear in both rinse-off and leave-in products.

People with dry, damaged or chemically treated hair looking for plant-based protein conditioning; formulations aiming for improved strength, shine or frizz control.

Hydrolysed proteins are broken into smaller peptides and amino acids that more readily adsorb to or penetrate the hair shaft, offering temporary reinforcement and smoothing of the cuticle. Performance depends on concentration and formulation—effects are generally short-term and may vary with hair type.

Sourced from linseed (Linum usitatissimum), this ingredient is typically used at low percentages (often around 0.5–5%) in both rinse-off and leave-in products. It can work synergistically with humectants and conditioning agents to improve moisture retention and combability. pH and formulation type influence deposition and feel; in some formulations or at higher levels, hydrolysed proteins can make hair feel slightly firm or coated rather than soft.

Those looking for plant-based supporting ingredients or gentle conditioning benefits.

Sunflower seed extract is often included for its naturally occurring compounds that can help enhance the overall conditioning profile of a formula. It is commonly used alongside other emollients and botanical ingredients.

Those looking for plant-derived ingredients or products with added antioxidant benefits.

Carrot root extract is often valued for its naturally occurring vitamins and antioxidants, which can complement conditioning formulas. Its exact benefits vary depending on the concentration and overall product formulation.

Those looking for botanical ingredients that can help hair feel smoother and more manageable.

Amaranth seed extract is valued for its natural proteins and nutrients, which can complement conditioning formulas. It is commonly included in modern haircare for an added plant-based boost.

Those looking for gentle botanical ingredients or products aimed at scalp comfort.

Red clover extracts are often included for their soothing and antioxidant properties. They are commonly used alongside other botanicals to support overall scalp and hair care routines.

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 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 who enjoy invigorating, minty formulas or products designed to refresh the scalp.

Peppermint oil is commonly used in small amounts for its sensory benefits and perceived scalp‑refreshing qualities. As with many essential oils, sensitivity varies between individuals.

Those who prefer products with a smoother, more uniform feel.

Dextran can also support the performance of other ingredients by helping maintain an even consistency. It is commonly used in both skincare and haircare for its gentle, supportive role in formulations.

Those seeking lightweight hydration without heaviness.

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

People who want formulas that perform consistently in hard-water environments.

It is a plant-derived option often used as a gentler alternative to traditional chelators. It can also support the effectiveness of preservatives and surfactants.

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.

Those interested in products designed to remain stable over time.

It is also used as a reducing agent in some professional hair processes, such as perming. In regular haircare, it appears at low levels to support formula stability.

Those looking to improve hair manageability or support moisture balance.

Glycine is often included as part of amino acid blends used to condition and reinforce the hair fibre. It can also appear in gentle cleansing systems and care-focused formulations.

People who enjoy a scented product.

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

Those looking for added softness, light conditioning or pollution-protection benefits.

It is often used to enhance the feel of a formula and create a protective barrier on the hair surface. Its film-forming nature can also support hydration retention.

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.

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

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

Those using products that aim to maintain formula stability or optimise performance by balancing pH.

Zinc chloride can also support the feel and manageability of the hair in some formulations. It is used at carefully controlled levels to meet product performance needs.

Those using products with oils or fragrances that need even dispersion.

It is commonly used in serums, conditioners and styling products to keep formulas stable and smooth. It also helps improve the spreadability of a product without affecting hair feel.

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 who prefer products with a gel-like or uniform texture.

It is commonly used in gels, creams and styling products to improve spreadability and performance. It also helps keep formulas stable across different temperatures.

Useful for those who prefer haircare products with clear, consistent textures or evenly dispersed fragrance and oils.

It is widely used in shampoos, conditioners and styling products to keep formulations stable and smooth. It also offers mild surfactant properties that support product rinse-off.

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.

Those in hard-water areas who want shampoos and conditioners to rinse more cleanly.

Chelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

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.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

All products that need protecting from spoilage.

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

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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.

Those who enjoy floral-scented hair products or are checking for specific fragrance components.

It is naturally found in essential oils such as rose and geranium and is commonly used to enhance scent profiles. It must be listed on labels when present above certain trace levels.

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.

Those who enjoy citrus-style fragrances or want products with a fresh aromatic profile.

Citral is naturally present in several essential oils and is listed on labels because it is a recognised fragrance allergen. Only small amounts are typically used to adjust or enhance a product’s scent.

Those who enjoy subtly scented haircare products.

It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.