Legal analysis: Whether purchasing cosmetics for sale is illegal depends on the situation. If the circumstances are serious, it may constitute a crime of illegal business operation, and it shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and a fine of not less than one time but not more than five times the illegal income.

Legal basis: Article 225 of the Criminal Law of People's Republic of China (PRC).

Whoever, in violation of state regulations, commits one of the following illegal business operations and disrupts the market order, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also, or shall only, be fined not less than one time but not more than five times the illegal income; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall also be fined not less than one time but not more than five times for illegal gains or confiscation of property:

(a) without permission, the franchise, monopoly of goods or other goods restricted by laws and administrative regulations;

(2) buying and selling import and export licenses, import and export certificates of origin and other business licenses or approval documents stipulated by laws and administrative regulations;

(three) without the approval of the relevant competent departments of the state, illegally engaged in securities, futures, insurance business, or illegally engaged in fund payment and settlement business;

(four) other illegal business activities that seriously disrupt the market order.