- Herbatint 4N Chestnut permanent hair color gel, ammonia-free, covers 100% of gray hair and provides a natural, long-lasting result. - Gentle and vegan formula, enriched with 8 organic plant extracts that nourish and protect the hair and scalp. - Dermatologically tested on sensitive skin, ideal for those seeking a safe and effective dye. - Odorless gel texture, easy to apply, does not drip, and allows precise distribution from roots to ends. - Resealable bottles to preserve unmixed product and reuse for future applications. - Allows mixing different shades to customize the color according to your style. - Free from parabens, resorcinol, alcohol, and fragrances; nickel-tested, gluten-free, cruelty-free, and vegan. - Includes 50 ml Royal conditioner to seal in color and provide shine and softness. - Compact 170 ml packaging made from recycled and recyclable materials, environmentally friendly.