Turquoise and all treasures of the sea, such as Coral, Mother of Pearl, all kind of Pearls, Amber, Conch and Corniola, have to be protected from cosmetic, hairspray, soap, perfume, acid and extreme sun exposures. It can be cleaned under running lukewarm water with a very soft towel (please don't use microfiber). To avoid scratches please store jewels always separated from each other in the attached pouch.