The Wella Color Charm 10 Vol Developer is formulated specifically for the Wella Color Charm Demi Permanent Colours.

• Offers a very subtle, gentle lift for a natural looking finish
• Provides enhanced grey blending
• New and improved, use in place of the Activating Lotion for slightly more intense shade results
• Allows colour to work deep in the hair, making it more vibrant and multidimensional
• Creamy consistency for smooth and easy application
• Vegan

One bottle of this 10 Vol Developer is enough for 2 tubes of Wella Color Charm Demi Permanent Colours.