Mercury Salts

• Mercury salts are hazardous agents which have been used for the purpose of skin whitening for a long time.
• Mercury salts can be absorbed into the blood stream after topical application on the skin and may cause serious damages to several organs as kidneys. You are strongly advised to avoid any products (creams, soaps…) that contain mercury salts.
• Be aware that although such products are banned, they are still available in several countries.

Source of information: here