Godefroy Instant Eyebrow Tint is a great alternative for individuals with sensitivities to traditional hair color. A non-toxic formula that contains no hydrogen peroxide or synthetic dyes. Formulated with plant extracts, this fast acting, gentle formula delivers rich, long-lasting color for up to 4 weeks. Covers the most resistant gray hair. Great results in less than 2 minutes. Lasts up to 4 weeks. Clinically tested safe for use. Kit includes instructions and 3 applications.