Cosmetic-induced skin diseases include acne, hormone-dependent dermatitis, and contact dermatitis. What cosmetic products are likely to cause skin disorders: three-no products, homemade products from beauty salons, especially products related to spot removal and whitening, mysterious secret prescriptions, self-purchase of hormone products such as dermatitis, dermatoconjugate and other hormone products, and whitening or moisturizing masks with excessive heavy metals. Purchase of cosmetics precautions: before purchasing, it is recommended to go to the dermatology department to test the skin nature type and choose the suitable cosmetics for individuals. After the disease treatment: first of all, go to the regular hospital for diagnosis and treatment. Discontinue the use of suspicious cosmetics.