Some skin-lightening and fairness creams may contain harmful substances such as mercury, hydroquinone, steroids, lead, or arsenic. Mercury is especially concerning because it can be absorbed through the skin, accumulate in the body, and damage the kidneys over time. Studies have linked prolonged use of mercury-containing creams to serious conditions, including protein leakage in urine, nephrotic syndrome, and chronic kidney disease. The risk is highest with unregulated products that lack proper ingredient labeling. Before using any skin-brightening cream, check the ingredients, buy only from trusted sources, and consult a dermatologist if you have concerns. Healthy skin should never come at the expense of your health.
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