The FDA is currently circulating a consumer update advising against the use of any beauty product formulated with Mercury, which the organization does not allow in cosmetics.

The update explains that These products are usually marketed as “skin lighteners and anti-aging treatments that remove age spots, freckles, blemishes and wrinkles.” Additionally, these goods are often made overseas and then shipped into North America by shady businesses or unsuspecting travelers.

Jason Humbert of the FDA’s Office of Regulatory Affairs notes that these products are also commonly sold on social media or through online stores.

In the U.S., mercury is allowed in cosmetic products when no other safe, effective preservative is available—but this isn’t the case with these goods. When applied in these amounts, mercury overexposure can occur, leading to symptoms like tremors, weakness, memory loss, dermatitis and impaired kidney function.

Check your product labels for “mercurous chloride,” “calomel,” “mercuric” or “mercurio”—each of these terms mean the product contains mercury. If you suspect your Skincare Routine contains mercury-exposed goods, dispose of them immediately and opt for natural products, instead.