✨ Unleash Your True Colors! Say goodbye to gray and hello to vibrant, youthful hair! Achieve flawless coverage of even the most stubborn gray hair. Designed for salon-level results right at home. Mixes effortlessly with any hair dye for a customized color experience. Just mix and apply for instant transformation. Instant coverage Compatible with all dyes 12 vials Salerm Cosmetics Cubre Canas Gray Cover Treatment Serum comes in a pack of 12 vials, each containing 0.17 oz of a specially formulated serum designed to enhance the coverage of gray hair when mixed with any hair dye. This product ensures even the most difficult gray strands are covered, providing a seamless and professional finish.