Semi Di Lino Diamond Illuminating Shampoo & Conditioner Duo (2 items)

Anyone using liquid haircare products, as water is a core component.

It helps create a workable texture and allows surfactants, conditioners and other actives to perform effectively.

All hair and skin types.

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

Oily scalps, heavy product users and people who like a strong cleanse.

May feel too cleansing for some dry, curly, colour-treated or sensitive hair types. This depends on the full formula and your hair needs.

Most hair types, including those wanting a gentler wash.

Often paired with other surfactants to make a formula feel milder.

Those who prefer richer lather or products that cleanse efficiently.

It is often used in small amounts to improve texture, foam and viscosity in cleansing formulas. Its use is regulated in many regions to ensure products meet safety standards.

People looking for gentle yet effective cleansing or a rich, creamy lather in shampoos.

It is often used alongside other surfactants to improve mildness and enhance foam quality. It also helps stabilise formulations and improve rinsability.

People looking for a milder alternative to traditional sulphate surfactants.

It is often used in gentle or colour-care formulas because it provides effective cleansing with a softer feel. Despite the name, it is typically considered milder than many common sulphate surfactants.

Those looking for mild cleansing with a smoother, less stripped feel.

It is often included to make cleansing formulas feel more conditioning and to help solubilise oils or fragrances. It pairs well with stronger surfactants to create a more balanced wash.

People looking for improved slip, reduced frizz or easier detangling.

It is commonly used in shampoos, conditioners and styling products to enhance manageability and provide a light, non‑heavy feel. It is well known for offering conditioning benefits without weighing the hair down.

Those using shampoos or washes that benefit from a richer, more stable texture.

It is a nonionic surfactant derived from glucose and is commonly used to improve viscosity in gentle cleansing products. It is well tolerated in most haircare formulas.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Hair wanting a light conditioning boost.

A plant-derived extract whose effect depends on the amount used.

People looking for smoother, shinier hair or help with detangling.

It is often blended with other silicones to create a lightweight, non-greasy finish. It forms a flexible film on the hair that can improve manageability.

Those looking for softer, easier-to-detangle hair.

It is derived from guar gum and is commonly used to enhance conditioning in shampoos and conditioners. It can also reduce static and improve manageability.

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.

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 subtly floral-scented haircare or are monitoring specific fragrance allergens.

It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

People who enjoy a scented product.

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

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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 hair and skin types.

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

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.

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

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

Those who spend time outdoors or want to help maintain colour-treated hair.

It is widely used in suncare and some hair products to support protection against UV exposure. In haircare, it mainly helps reduce colour fade rather than providing full sunscreen performance.

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.

Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.

Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.

Those seeking added moisture, shine and frizz management, especially for dry or textured hair.

Flaxseed oil is rich in omega fatty acids, which can support softness and manageability in haircare formulas. It is commonly used in both rinse-off and leave-in products.

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.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

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 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.

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.

People who enjoy a scented product.

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

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

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 using products that need clear, stable formulations such as shampoos, serums or sprays.

It is commonly used in haircare as a non-ionic surfactant that improves product texture and clarity. It also supports even distribution of conditioning or fragrance ingredients.

Those looking for effective yet mild cleansing or improved product spreadability.

It is commonly used in shampoos and styling products to support gentle cleansing and stable formulations. Non-ionic surfactants like this are valued for being versatile in different formula types.

Those looking for products that spread evenly or contain stable blends of oils and water-based ingredients.

It is a versatile non-ionic surfactant often used at low levels to support product texture and stability. It can also assist with foaming and rinse-off performance.

Those using shampoos, conditioners or styling products that need smooth, stable formulations.

It is commonly used to solubilise oils and fragrances and to support even product spreadability. Non-ionic surfactants like this are generally mild and versatile in many haircare formulas.

Those looking for effective yet mild cleansing or even distribution of conditioning ingredients.

It is commonly used to stabilise formulas and improve the texture of shampoos and styling products. Non-ionic surfactants like this tend to be gentle and versatile.

All products that need protecting from spoilage.

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

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 understanding preservative systems or identifying potential fragrance allergens.

Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.

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.

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.