L'Oréal Diarichesse 5.3 Light Brown Gold 50ml Tone-on-Tone Coloration Cream with 0% Ammonia. Rich and deep reflections, individual intensity, and up to 70% gray hair coverage. Important skin allergy test: The coloration may cause an allergic reaction. A skin allergy test must be conducted 48 hours prior. The instructions in the usage note must be followed. Coverage of up to 70% on well-distributed gray hair. Development time of 5 to 20 minutes. Mixing: 1 tube (50ml) with 75ml Richesse developer. Product quantities can be increased as long as the proportions of 1+1.5 are respected. Application instructions: Features tone-on-tone coloration cream without ammonia, the conqueror for natural hair. Apply to dry, unwashed hair using a brush or directly with the application bottle to the roots, lengths, and ends. After application, emulsify carefully and rinse thoroughly. Finish with a specific PRO Classic Color Shampoo.