Structure Complex Shampoo and Conditioner Duo 350ml

All hair and skin types.

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

People looking for a gentle, low-irritation cleansing option or those using sulphate-free shampoos.

It is known for being milder than many traditional surfactants and is often used in formulas designed to maintain softness after washing.

Most hair types, including those wanting a gentler wash.

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

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 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.

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

Widely used in shampoos and conditioners for slip and softness.

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.

People who enjoy a scented product.

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

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.

Dry, coarse or thick hair that likes richer oils.

Suits some hair types more than others, and a little usually goes a long way.

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.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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 want products to stay fresh for longer, including people who use products slowly or store them in humid bathrooms.

It is often used at low levels and works well alongside other preservative systems to support formula longevity. It is commonly included in both rinse-off and leave-in products.

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

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

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.

People looking for smoother, easier-to-comb hair, especially in conditioners and leave-in products.

Despite the name, it is not a strong sulphate cleanser but a gentle, oil-loving conditioning compound derived from fatty alcohols.

Those looking for improved manageability, softness and reduced static in dry or textured hair.

It is a cationic ingredient that works by adhering to the hair surface to provide slip and reduce tangling. Often used in conditioners and masks for a richer, more conditioning feel.

People looking for smoother, more manageable hair textures.

Cetyl esters are wax‑like emollients that improve product spreadability and give a soft, conditioned feel. They are commonly used to enhance texture without heaviness.

Dry, coarse or thick hair that likes richer oils.

Suits some hair types more than others, and a little usually goes a long way.

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.

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

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

People who enjoy a scented product.

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

Those looking for softer, more manageable hair or extra slip in styling products.

It forms a lightweight film on the hair to reduce static and enhance glide without leaving heavy residue. It is commonly used in both rinse-off and leave-in formulas.

Those wanting a non-greasy conditioning feel or improved spreadability in styling products.

It is commonly used to give formulas a smooth, silky texture without heaviness. Often found in conditioners, serums and creams where a lightweight finish is desired.

Those looking for products with stable, evenly blended textures or clear formulations.

It is commonly used in both haircare and skincare to help disperse fragrance oils or conditioning agents evenly. It also supports the overall texture and consistency of a formula.

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 want products to stay fresh for longer, including people who use products slowly or store them in humid bathrooms.

It is often used at low levels and works well alongside other preservative systems to support formula longevity. It is commonly included in both rinse-off and leave-in products.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.