On April 29, 2025, the National Institutes for Food and Drug Control (NIFDC) Releases Frequently Asked Questions (FAQs) on Technical Review of Cosmetics, we have collected the latest FAQ and translated it into English for your reference.

Q: How Should the Safety Assessment Be Conducted for Cosmetic Products That Must Be Used in Conjunction With Instruments or Devices?

A: For cosmetic products that must be used in conjunction with instruments or devices (excluding tools solely for auxiliary application such as brushes, puffs, and perming tools), the mechanism of action of the instrument or device used in combination should be clearly defined, and the product’s safety under the conditions of use with such instruments or devices should be evaluated. The instruments or devices used in combination shall not possess cosmetic functions, shall not be involved in any reprocessing of the cosmetic product, and shall not alter the mode or mechanism of interaction between the cosmetic and the skin.

For cosmetics used in combination with instruments or devices, if the device affects the transdermal absorption of the product, the skin absorption rate of the ingredients should be adjusted accordingly during the safety assessment. In general, a more conservative percutaneous absorption rate should be adopted.

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Further Information:

https://www.nifdc.org.cn//nifdc/bshff/hzhpjssp/hzhpspcjwtjd/hzhpwtjdjssp/202504290843271540956.html