Semi Di Lino Smoothing Shampoo and Conditioner 1 Litre Duo

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.

People looking for mild, low-foaming cleansers that are generally considered suitable for sensitive or dry hair types.

It is often used as an alternative to stronger surfactants to create a softer, more conditioning lather. It can also support formula stability and mildness in blended surfactant systems.

People who like a rich, stable lather in their cleansing products.

It is often used alongside primary surfactants to enhance texture and mildness. Its viscosity‑boosting effect can also improve the feel of rinse‑off formulas.

Those interested in how a product’s texture and lather are achieved.

It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.

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.

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.

Those looking for light, gentle cleansing or improved rinse-off in haircare formulas.

It is often used alongside other surfactants to adjust foam and improve product texture. It also helps blend oil- and water-based ingredients for consistent formulas.

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

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

Those who prefer lightweight formulas that spread easily without heaviness.

It is commonly used to improve texture and help blend oil‑compatible ingredients evenly throughout a formula. It also contributes a soft, conditioned feel without leaving residue.

Hair wanting a light conditioning boost.

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

Those looking to add softness, shine or light nourishment without a heavy feel.

It is rich in fatty acids and can help smooth the hair cuticle. Often used in blends to support overall hair manageability.

All products that need protecting from spoilage.

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

People who enjoy a scented product.

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

Most hair types wanting smoother, easier-to-manage hair.

Widely used in shampoos and conditioners for slip and softness.

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 like creamy, luxurious-feeling shampoo or conditioner textures.

It also provides a mild conditioning feel, helping formulas spread smoothly through the hair. Its use is common in many everyday cleansing products.

Those looking for products with effective cleansing or evenly dispersed ingredients.

It is commonly used at low levels to support texture and clarity in shampoos and styling products. Despite being a surfactant, it is often included for solubilising rather than strong cleansing.

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.

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.

Those who enjoy subtly sweet, complex fragrance profiles in their haircare products.

It is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.

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 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.

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.

Those looking for conditioning, slip, or richer textures in their haircare products.

Despite the name, fatty alcohols like cetyl alcohol are non‑drying and are commonly used to add emollience and stability to formulations.

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.

Hair wanting a light conditioning boost.

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

Those looking to add softness, shine or light nourishment without a heavy feel.

It is rich in fatty acids and can help smooth the hair cuticle. Often used in blends to support overall hair manageability.

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.

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.

All products that need protecting from spoilage.

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

People who enjoy a scented product.

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

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.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

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.

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 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.

Those who enjoy subtly sweet, complex fragrance profiles in their haircare products.

It is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.

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.