Semi Permanent Hair Colour - 112 Indigo Blue (118ml) AD112

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.

Useful for those who prefer haircare products with clear, consistent textures or evenly dispersed fragrance and oils.

It is widely used in shampoos, conditioners and styling products to keep formulations stable and smooth. It also offers mild surfactant properties that support product rinse-off.

People looking for improved slip, reduced static and easier detangling, especially in dry or textured hair.

It is commonly used in conditioners because it bonds to the hair surface and provides long‑lasting conditioning benefits. It is often chosen for richer, creamy formulas.

People seeking improved detangling, reduced static, or a smoother feel.

Although its name includes 'methosulfate', it is not a sulphate cleanser but a gentle conditioning quaternary compound. It is commonly used in conditioners and masks for its smoothing performance.

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 and scalp types, including those wanting a gentle feel.

A popular botanical used across many gentle and moisturising products.

Those looking for products with robust preservation, particularly in rinse-off formulas.

It is widely used in small amounts to protect formulas from microbial growth. Some people with sensitive skin or scalps may prefer to patch test products containing isothiazolinone preservatives.

Those needing products with reliable protection against product spoilage.

It is effective in very small amounts to support product longevity. Some people with sensitive skin or scalps may prefer to patch test products containing this preservative.

People who enjoy a scented product.

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

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.

People with weakened, chemically treated, or brittle hair looking for a reinforcing ingredient.

Hydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair surface. They are commonly used to enhance conditioning performance alongside other moisturising ingredients.

Those who prefer products with a specific colour or enjoy visually distinctive formulas.

CI 42090 is widely used in personal care for consistent, stable colour effects. It does not affect how the product performs on the hair.

People using colour-depositing shampoos, conditioners or masks may find it relevant.

It is commonly used in purple and violet toning formulas to help reduce the appearance of brassy or yellow tones in lightened hair. It is present in very small amounts to achieve precise colour effects.