Circular Hydration Serum 30ml

People wanting lightweight hydration without heaviness.

It is commonly used to enhance texture and support even distribution of other ingredients. It also helps dissolve certain actives to keep formulas stable.

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 in styling or care products.

It also acts as a solvent that helps other ingredients disperse evenly in a formula. Its light texture makes it suitable for a wide range of haircare 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 interested in lightweight, non-greasy formulas that spread easily.

It is also used as a preservative booster to support formula stability.

Those seeking improved hydration, softness or smoother hair feel.

It is often used alongside other sugar-based moisturisers to support long‑lasting hydration. It is considered a gentle, conditioning ingredient suitable for most hair types.

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.

Useful for dry, dehydrated or frizz-prone hair needing added hydration.

It provides a smooth, conditioned feel without heaviness and is often used to enhance moisture balance in both hair and skin products.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Those who prefer formulas designed to maintain stability with lower preservative loads.

It is commonly used in modern formulations to enhance overall product stability and texture. It can also contribute mild soothing properties in some formulas.

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 with dry, coarse or dehydrated hair, or anyone seeking added moisture without weight.

It is used in many hair and skin formulas because it can bind water and support a smoother feel. Different molecular weights may offer surface hydration or deeper penetration into the hair fibre.

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.

People seeking plant- or marine-derived antioxidants, those with colour-treated or sun-exposed hair, and shoppers interested in naturally sourced ingredients.

Dunaliella salina is rich in carotenoids (notably beta-carotene) and other micronutrients that can help protect hair from oxidative stress and contribute to shine; its composition and colour vary with growing conditions so performance and appearance in formulations can differ between products.

Typically used at low concentrations in shampoos, conditioners, masks and leave‑on products, it supports antioxidant activity and may help with colour maintenance but is not itself a certified UV filter. As a pigmented botanical extract it can impart an orange‑red tint to formulations and may require formulation adjustments or stabilisers.

Those with dry, delicate or easily irritated scalps may appreciate its calming feel.

Oat extracts are commonly added to haircare for their gentle, comforting properties and compatibility with many formulations.

Those who enjoy naturally derived citrus scents in their haircare.

As an essential oil, its scent profile comes from naturally occurring aromatic compounds. It is used at low levels to enhance the sensory experience of a formula.

Those who enjoy citrus-scented hair products or prefer plant-derived fragrance sources.

As an essential oil, it naturally contains components like limonene that contribute to its scent. Formulators may use it in small amounts to enhance sensory appeal.

Those who enjoy naturally derived citrus fragrances in their hair products.

Like many essential oils, it can also contribute light aromatic or sensory benefits beyond scent. Its natural composition includes common fragrance components, which may be relevant for people monitoring fragrance use.

Those who enjoy naturally derived woody fragrances in their hair products.

As a plant-derived essential oil, its aroma profile can vary slightly depending on harvest conditions.

Those looking for gentle botanical ingredients that support moisture and scalp comfort.

This extract is rich in natural polysaccharides and minerals that can support a smoother feel in haircare formulas.

Those who enjoy botanical ingredients or products with gentle plant-based supportive extracts.

This extract is often included at low levels to complement a formula’s sensory profile or overall conditioning blend.

Those looking for lightweight moisture or added softness without heaviness.

This extract is valued for its natural polysaccharides, which can provide a flexible film on the hair for light conditioning. It is commonly used in both hair and skin formulations.

Those looking for botanical ingredients that help with lightweight conditioning or scalp comfort.

Kelp extracts are valued for their naturally occurring minerals and polysaccharides, which can contribute to a soft, smooth hair feel. They are commonly used in both haircare and skincare for their gentle, supportive properties.

Those seeking added softness, shine, or help with dry or coarse hair.

It is commonly used in haircare for its smooth, silky feel and its ability to support moisture retention. It is generally well tolerated by most hair types.

Those looking for gentle botanical ingredients that may support scalp comfort or hair softness.

This marine algae extract is valued for its natural calcium and magnesium content, which can help support the feel and manageability of hair. It is commonly included in soothing or conditioning formulations.

Those who enjoy naturally derived citrus fragrances in their routine.

Like many citrus oils, it is often included in small amounts primarily for its aromatic contribution. It can naturally contain trace fragrance allergens such as limonene or linalool, which may be listed separately on product labels.

Those who enjoy naturally derived botanical scents or products designed to refresh the scalp.

As an essential oil, it can also contribute light tonic or soothing effects depending on the formulation. Its aromatic profile is typically subtle once blended with other ingredients.

Those who enjoy natural essential oil fragrances or seek plant-derived scalp‑care ingredients.

It can also be included for its traditional soothing and balancing properties on the scalp. Essential oils are typically used in low concentrations to provide aroma and complementary benefits.

People looking to support hair strength, smoothness or light-volume effects.

It can help improve the feel of damaged or fine hair without the weight of some heavier proteins.

Those seeking lightweight hydration without heaviness.

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

Those looking to improve hair hydration, softness, or manageability.

It is a component of the skin and scalp’s natural moisturising factors and is well tolerated in most formulations.

Those looking to support hydration in dry or dehydrated hair.

It is part of the xylityl humectant family, often used to enhance overall moisture balance in formulations. It works well alongside other hydrating ingredients.

Those seeking hydration support for dry hair or a comfortable, balanced scalp.

It is a sugar-derived ingredient often used to support moisture retention and scalp comfort. It can also complement other hydrating ingredients in a formula.

Those seeking added hydration, smoother hair texture, or improved moisture retention.

It is a large molecule that forms a light, moisturising film on the hair, helping reduce dryness without heaviness. It is often paired with other hydrating ingredients for enhanced conditioning.

Those looking for soothing or microbiome-friendly scalp care.

Ferments like this are commonly added to modern haircare to help maintain scalp comfort and support the skin’s natural barrier. They can complement both everyday and targeted scalp routines.

Those looking for formulas that help maintain hair resilience or support overall conditioning.

Amino acids like lysine are often included in haircare to complement protein-based or strengthening formulations. They can contribute to a smoother, more conditioned feel.

Those looking for softer, smoother-feeling hair or gentle hydration.

Betaine is a naturally occurring molecule often used to improve hair feel and support moisture retention. It can also help enhance the overall mildness of cleansing formulas.

People who prefer products with smooth, gel-like textures or those seeking naturally derived formulation agents.

It helps improve product spreadability and provides a light conditioning feel without weighing hair down. It is commonly used in both rinse-off and leave-in products.

Those seeking added hydration, improved manageability, or support for dry scalp.

It is a salt of lactic acid often used to enhance moisture retention and support a balanced formula. It can also contribute mild pH-buffering benefits depending on the product.

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 to improve hydration and softness in dry or textured hair.

Glucose is a simple sugar used in haircare to support moisture balance and enhance product feel. It is commonly combined with other conditioning ingredients for improved results.

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.

People looking for gentle conditioning ingredients or formulas designed to support softness without heaviness.

Amino acids like alanine are often included in haircare to complement protein or moisture-focused formulas. They can contribute to a smooth, hydrated feel.

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.

Those looking for added hydration or smoother-feeling hair.

Pantolactone is related to panthenol and is often included to enhance a product’s moisturising performance. It can also contribute to a softer feel in both hair and skin formulations.

People looking for formulas that help smooth and soften hair without heaviness.

Amino acids like glutamic acid can support the hair’s natural structure and improve the feel of conditioners and treatments. They are commonly used in both rinse-off and leave-in products.

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 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 for formulas that help improve hair manageability or support lightly replenishing treatments.

Amino acids like proline are often included in small amounts to complement conditioning systems and support the hair’s natural protein structure.

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 using hard water or products prone to mineral build‑up may appreciate its inclusion.

It is often used as a readily biodegradable alternative to traditional chelating agents. By managing metal ions, it can help formulas stay consistent over time.

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.

Those interested in products with a consistent, creamy texture.

It is commonly used to improve product stability and spreadability in both haircare and skincare. It can also support the even distribution of other ingredients through the hair.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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.

People who prefer products with a silky, non-greasy feel or stable gel-like textures.

It is often used to create lightweight gels and serums that spread easily without stickiness. It also helps maintain product consistency over time.

Those who prefer products with a smooth, uniform texture or need easier application and distribution.

It is derived from cellulose and is widely used because it provides viscosity without weighing hair down. It also helps improve the feel and spreadability of many water-based products.

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.

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.