OI All In One Milk

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.

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

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

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

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

Those who prefer lightweight, non-greasy styling or treatment products.

It evaporates quickly after application, helping other ingredients distribute evenly without leaving buildup. It is commonly used to improve texture and sensory feel.

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.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

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.

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.

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 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.

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 fragrance blends that need even distribution through the hair.

It is commonly used at low levels to help stabilise formulas and improve texture. It also aids rinse-off performance without adding noticeable weight to the hair.

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.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

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 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.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

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.