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It is not recommended to remove your Custon's to wash your clothes in the machine (except for products from the Pierres Fines range, which do not support detergents and, for some, water). They are machine washable at 30°C, at 800 rpm, like ordinary buttons. Just be sure to wash your clothes inside out, preferably in a net, to avoid scratching your buttons and keep them for a long time.
However, if you need to remove your Custon's to clean your clothes (if your Custon's are made of fine stone or in the case of dry cleaning), we recommend that you leave the tips in your garment and cover them with the silicone protective tips provided, so as not to risk catching the fibers.
If you need to clean your fine stone Custon's, rub them gently with a soft, clean cloth without using water or any other product. Other Custon's can withstand water and detergent.