It is recommended to use the mask for just 10 minutes a day, 3-5 days a week for 4 weeks for visible results. For the treatment of acne vulgaris the best results are seen after treating for 4 days a week, for 6 weeks. For the treatment of fine lines and wrinkles the best results are seen after treating for 4 days a week, for a minimum of 4 weeks. Maintenance treatments should then be continued as required, according to lifestyle and skin condition.