Igora Royal Oil Developer 30Vol (9%) 900ml

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Most Helpful Review

"Fantastic job" - emma

Why You’ll love it

Experience radiant lift with a creamy developer that still feels kind to your hair.

Helps achieve brighter, clearer colour with up to three levels of lift.

Creamy oil-enriched texture spreads easily for even, controlled application.

Leaves hair feeling smoother and more manageable after rinsing colour out.

Description

Schwarzkopf Professional Igora Royal Oil Developer 30Vol (9%) is a creamy peroxide that lifts and cares.

This developer works with Igora Royal colour creams to lighten the hair and develop rich, even colour. The oil-enriched, velvety texture spreads smoothly from root to tip, helping colour glide through the hair without dragging.

It feels soft and cushiony as you apply, with a gentle salon-style scent that doesn’t overwhelm. Hair rinses feeling conditioned and easy to comb, not rough or stripped.

Ideal for those needing up to three levels of lift, global applications, or strong grey coverage. Use during your usual colour session to achieve brighter, more luminous results.

The finish looks glossy, controlled and refined, helping hair appear more polished and manageable after colouring.

Directions

How To Use Schwarzkopf Professional Igora Royal Oil Developer 30Vol (9%)

Wear suitable gloves.
Mix Igora Royal colour cream with Oil Developer 30Vol (9%) in the recommended ratio (usually 1:1 or as stated on your colour instructions).
Stir until a smooth, creamy mixture forms.
Apply evenly to dry, unwashed hair.
Process for the time specified in your chosen colour’s instructions.
Rinse thoroughly with lukewarm water until it runs clear, then shampoo and condition if required.

Ingredients

Schwarzkopf Professional Igora Royal Oil Developer 30Vol (9%) Ingredients

Aqua (Water, Eau), Hydrogen Peroxide, Cetearyl Alcohol, PEG-40 Castor Oil, Sodium Lauryl Sulfate, Salicylic Acid, Etidronic Acid, Disodium Pyrophosphate, Sodium Stannate, Phosphoric Acid, Potassium Cetyl Phosphate, Sodium Benzoate, Parfum (Fragrance).

Note: Please refer to bottle for full ingredients.

Aqua Solvents

Solvent

The water base that carries and dissolves the other ingredients in most products.

May suit
All hair and skin types.

Worth knowing
Almost always the first ingredient listed in water-based products.
Hydrogen Peroxide Colourants

Oxidising agent

Used as an oxidising agent to lighten hair or activate hair dyes.

May suit
People using permanent colour, lightening, or bleaching services.

Worth knowing
It works by helping colour pigments develop or by lifting natural pigment during lightening. Formulations are balanced to achieve predictable results when used as directed.
Cetearyl Alcohol Conditioning agents

Fatty alcohol conditioner

A fatty alcohol that helps soften hair and improve the texture of formulations.

May suit
People looking for smoother, more manageable hair or richer, creamier product textures.

Worth knowing
Despite the name, fatty alcohols are moisturising and conditioning rather than drying. They also help stabilise and thicken many haircare formulas.
PEG-40 Hydrogenated Castor Oil Cleansers / surfactants

Solubiliser and emulsifier

Helps blend oils and fragrance into water-based formulas for even texture and performance.

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

Worth knowing
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.
Sodium Lauryl Sulfate Cleansers / surfactants

Cleanser

A cleansing surfactant that removes oil and build-up from the hair and scalp.

May suit
Oily scalps and routines that need a strong, clarifying wash.

Worth knowing
Can be more cleansing than gentler surfactants. Many people use it happily, while others prefer milder options for everyday washing.
Salicylic Acid Exfoliating acids

Scalp exfoliant

Helps dissolve dead skin buildup on the scalp and supports a clearer, fresher surface.

May suit
People dealing with flaky scalps, congestion or product buildup.

Worth knowing
It is widely used in scalp-care formulas because it breaks down excess oils and debris without needing physical scrubbing. Often found in dandruff-control products.
Etidronic Acid Chelating agents

Chelating agent

Etidronic Acid helps bind metal ions in water and formulas to support product stability and performance.

May suit
People living in hard‑water areas or those wanting formulas that rinse more cleanly.

Worth knowing
Chelating agents can support the effectiveness of cleansing and conditioning products by preventing mineral build‑up. They are widely used at low levels to help maintain formulation clarity and consistency.
Sodium Stannate Thickeners and stabilisers

Stabiliser

Sodium Stannate is used as a stabilising aid to help maintain the performance of certain haircare formulations.

May suit
People using peroxide-based hair colour or lightening products where stabilisers help keep the formula consistent.

Worth knowing
It appears most often in technical or professional products that require ingredients to support formula stability over time. It is typically used at low levels for functional support rather than for a direct effect on the hair.
Phosphoric Acid pH adjusters

pH adjuster

Helps control and stabilise the pH level of haircare formulations.

May suit
Those interested in how products are balanced for optimal performance and scalp comfort.

Worth knowing
It is commonly used to fine-tune acidity so that formulas remain effective and comfortable to use. Only small amounts are typically required to achieve the desired pH.
Potassium Cetyl Phosphate Cleansers / surfactants

Emulsifying surfactant

Helps mix oil‑ and water‑based ingredients and provides mild cleansing action.

May suit
Those who prefer formulas that feel lightweight and spread easily.

Worth knowing
It is commonly used as an emulsifier to stabilise creams and conditioners without adding heaviness. Its mild surfactant properties can also support product texture and rinseability.
Sodium Benzoate Preservatives

Preservative

Helps protect water-based products from spoilage so they stay usable.

May suit
All products that need a preservative system.

Worth knowing
Often paired with other preservatives for broad protection.
Parfum Fragrance ingredients

Fragrance

Gives the product its scent.

May suit
People who enjoy a scented product.

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