This peroxide is available in 5 different strengths:

• 6vol / 1.9%
• 10vol / 3%
• 20vol / 6%
• 30vol / 9%
• 40vol / 12%

As well as peroxide, this activator contains the following active ingredients:

• Quinoa protein to strengthen the hair.
• Colour Preserve System, a complex derived from sunflower oil, to prevent colour fade.

You can use this developer with REF Permanent Colour and REF Soft Colour. These products are to be mixed in a non-metallic bowl in a well-ventilated area. The mixing ratio and processing time depends on the product and the hair's condition, colour and porosity.

Avoid contact with the eyes. If this product gets into the eyes, rinse it out thoroughly with plenty of clean water.

REF Cream Developer 1000ml is for professional use only.