Defy Damage Protective Shield 100ml

People wanting a light, non-greasy smoothing or shine finish.

Often used in serums and oils for a weightless feel. Some prefer silicone-free options depending on routine.

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 products that support moisture balance without heaviness.

It is also commonly used as a solvent to help dissolve other ingredients evenly in a formula. It is well tolerated in most haircare products and contributes to a smooth application feel.

People who prefer lightweight styling or smoothing products that don’t weigh the hair down.

It evaporates quickly, which can help products spread easily without residue. It is commonly used to enhance slip and smoothness in styling formulas.

People who use styling products that benefit from quick drying or a lightweight feel.

Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.

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.

Most hair types, especially tangle-prone or coarse hair.

A common conditioner ingredient despite the chloride name, which simply describes its chemistry.

Dry, coarse, curly or thick hair wanting extra softness.

Rich and nourishing, so amounts can be adjusted to hair type.

Dry, coarse or thick hair that likes richer oils.

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

Those looking to add smoothness, shine, or softness to dry or textured hair.

It is rich in fatty acids that help support hair feel and manageability. It is commonly used in both rinse-off and leave-in products for added nourishment.

Damaged, chemically treated or fragile hair wanting reinforcement.

Protein routines suit some hair well, while very protein-sensitive hair may prefer balance with moisture.

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 looking for repair-focused or strengthening haircare formulas.

Arginine Hydrochloride is commonly included in haircare to support the hair fibre and enhance conditioning benefits.

People with weakened, chemically treated, or breakage-prone hair may appreciate its reinforcing effect.

Hydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair’s surface. They are commonly used alongside conditioners and humectants for a balanced feel.

Those seeking smoother, more manageable hair or plant-based conditioning ingredients.

Phytosterols can support moisture retention and enhance the feel of hair in conditioning formulas. They are often used alongside oils and other emollients for improved texture.

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.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

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.

It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

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.

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.

Those who prefer products with a creamy, uniform texture.

It is commonly used in conditioners and styling products to keep formulas consistent and easy to apply. It also supports even distribution of other ingredients through the hair.

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 with oils or silicones who want them to rinse evenly without residue.

It is commonly used in shampoos and styling products to support stable, uniform textures. Its mild nature makes it suitable for a wide range of formulations.

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 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.

Those who prefer products with a rich, gel-like texture or improved spreadability.

It is widely used in gels, creams and styling products to help keep ingredients evenly dispersed. It can also support formula pH adjustment and enhance product feel.

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.

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.

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.

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.

People who enjoy a scented product.

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

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 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.