It is undoubtedly illegal to sell div lipstick without a trademark and made by yourself online.

To produce and operate cosmetics, you must obtain a production license before you can produce.

For selling cosmetics, a health license should also be obtained.

Legal link: Article 5 of the "Regulations on Hygiene Supervision and Administration of Cosmetics" implements a health license system for the health supervision of cosmetics production enterprises.

The "Hygiene License for Cosmetics Manufacturing Enterprises" is approved and issued by the health administrative departments of provinces, autonomous regions, and municipalities directly under the Central Government. The "Hygiene License for Cosmetics Manufacturing Enterprises" is valid for four years and will be reviewed every two years.

Units that have not obtained the "Hygiene License for Cosmetics Production Enterprises" are not allowed to engage in cosmetics production.