Philip Kingsley Density Thickening Conditioner

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.

Those looking for gentle styling support or smoother-feeling hair without heavy build-up.

It is commonly used in styling creams, gels and conditioners to improve texture and spreadability. It can also enhance shine and help control frizz.

Those looking to enhance hair resilience, smoothness or support the look of chemically treated or weakened hair.

Pea peptides are commonly included in modern haircare to offer lightweight conditioning and a soft, fortified feel. They are valued for providing some of the benefits of proteins without heavy buildup.

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

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

Dry, coarse or thick hair that likes richer oils.

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

All products that need protecting from spoilage.

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

Anyone who prefers products with a smooth, consistent texture that spread easily through the hair.

It helps improve the feel and stability of creams, conditioners and styling products. It is commonly used because it works well in both rinse-off and leave-in formulas.

People who enjoy a scented product.

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

Those using styling products that benefit from fast evaporation, such as sprays.

It is commonly used at low levels to improve texture and spreadability. It evaporates quickly, leaving minimal residue on the hair.

Those looking for smoother, more manageable hair or added slip in conditioners and treatments.

These fatty esters are often used to enhance the feel and performance of conditioning formulas. They can support detangling without adding heaviness for most hair types.

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 seeking extra nourishment, softness or scalp comfort.

It is naturally high in ricinoleic acid, which gives it a thick texture and strong conditioning feel. It is often blended with lighter oils for easier spreading and a less heavy finish.

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.

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 interested in products that use fermentation-derived preservation systems.

It provides mild antimicrobial activity and is commonly used in modern, gentle preservation blends. Its use does not change how the product performs on the hair.

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.