Wella 20 Volume Developer The Wella 20 Volume Developer is designed to perfectly complement Wella Colorcharm hair color, giving you professional-quality results right at home. Stabilized for all permanent hair colors, this hair care developer is ideal for covering white or gray hair and lightening natural hair color. Whether you’re enhancing tones or need a 20 volume developer as part of your coloring process, this product delivers consistent, reliable results while helping to protect your hair’s integrity. Benefits: Professional-Grade Results: The 6% Welloxon Perfect 20 Volume Developer is designed to deliver outstanding color results, lifting hair by 1-2 levels with precision. Seamless Consistency: Pairs perfectly with the new Koleston, ensuring smoother, faster, and more effortless mixing. Effortless Application: Ensures precise application, great foil adhesion, and easy rinsing for a hassle-free coloring process. Client Comfort: Provides a comfortable and reliable experience while achieving vibrant, long-lasting color. How to Use: Mix the Formula: Combine 1 part Wella Colorcharm Permanent Hair Color (sold separately) with 2 parts Wella Colorcharm Cream Developer in a non-metal bowl. Mix thoroughly for even application. Apply to Hair: Use your preferred technique to apply the mixture evenly to dry hair, focusing on the areas where color is desired. Develop and Rinse: Let the color process for 30 minutes, or up to 45 minutes for added depth or gray coverage. Rinse thoroughly until the water runs clear, then shampoo and condition.