Sunscreen products: A double-edged sword in the prevention of skin cancer

Skin cancer is the most common cancer in humans worldwide. It is also the most common cancer in Iran. To achieve primary prevention in skin cancers، avoidance of direct sun exposure is recommended. Sunscreen use is one of the methods to reduce sun exposure. However، while using sunscreens has increased recently، the incidence rate of skin cancers has also increased. One of the reasons for observing this paradox may be caused by counterfit sunscreen products، in particular in Iran. The author imagines that this letter may result in proper decision making among health policy makers to tackle this problem.