Tocco Magico Color-Ton Permanent Hair Color in shade 4.5P-4.21 Onyx delivers rich, long-lasting color with dependable gray coverage. This professional permanent hair color is designed for consistent, salon-quality results at home or in the salon.

The formula provides opaque onyx depth while remaining easy to mix and apply evenly from root to tip. Suitable for all hair types, it supports a smooth, polished finish that helps maintain color vibrancy over time.

Each 3.38 oz tube pairs with your preferred developer for customized intensity. Follow the manufacturer's instructions for processing time and developer ratio to achieve the best possible result.