Add your own scent to your favorite products with the Modafino MODA-CAP Personalized Fragrance Bottle Cap. This device allows you to put your favorite fragrances into your favorite hair and skin care products. By simply changing the cap, MODA-CAP even lets you use different fragrances with one bottle. Offering limitless scent options, MODA-CAP provides interchangeable fragrance chambers. The caps are also effortless to exchange thanks to the slide stem design. In addition, the transparent window on top makes it easy to check fragrance color and level. Aside from the fragrance cap, Modafino also makes hair and skin care products including shampoo, conditioner and leave-in treatment. Designed to eliminate waste and bathroom clutter, MODA-CAP creates dependable products with the fragrances you know and love.