Jerome Russell hair color Thickener Spray, helps cover and color Light to medium bald spots for both men and women. Also effective on fine and thinning hair and touching-up gray between colorings. Simply wash (do not use conditioners) then dry hair and scalp, Spray on bald spots and let dry. Repeat if necessary, blend-in and brush Your hair over treated area to give an illusion of thicker, fuller hair. To remove simply shampoo out.