Fudge Catalyst Peroxide 10 Vol 1000ml is a salon-size 10-volume peroxide developer from the British professional haircare brand Fudge. Engineered to pair with Fudge Headpaint hair colour for a salon-finish colour service, this 10-volume Catalyst Peroxide delivers reliable, gentle developing for tone-on-tone colour services. About Fudge Fudge is a British professional haircare brand celebrated for bold styling and salon-grade colour formulas. The Catalyst peroxide developer line is the brand's permanent colour developer range — engineered to pair with Fudge Headpaint colour creams. Key features Format: 10-volume peroxide developer, salon size Volume: 10 (3% peroxide) Use with: Fudge Headpaint hair colour Application: tone-on-tone, dark deposits Use: salon or trained in-home application Who it's for Best for hair professionals and trained at-home colourists who use Fudge Headpaint and need a 10-volume developer — and a great salon-size choice for ongoing use. How to use Mix Fudge Headpaint colour with the appropriate Fudge Catalyst Peroxide per the instructions. Apply to clean, dry hair using professional sectioning and a tinting brush. Process for the time stated on the instructions, monitoring carefully. Emulsify with water, then rinse thoroughly and follow with a colour-safe shampoo and conditioner. Specifications Size: 1000ml Format: Peroxide developer Volume: 10 vol Brand: Fudge Range: Catalyst Peroxide Gender: Unisex