There are several federal agencies that play a part in the regulations covering soap and cosmetic labeling. Checking their websites will provide details. Also checking the actual regulations in the Code of Federal Regulations is recommended.
Government Agency Websites
- FDA, Cosmetic Division
- Federal Trade Commission
- National Institute of Standards & Technology, Weights and Measures
- National Conference of Weights and Measures
- Environmental Protection Agency – Minimum Risk Pesticides
- United States Department of Agriculture (USDA)
Actual Regulations
Title 21, Code of Federal Regulations, Cosmetic Products:
Rules and Laws
- Fair Packaging and Labeling Act
- Food Drug & Cosmetic Act
- Uniform Laws and Regulations, 2019 Edition (links to full contents)
- Uniform Weights and Measures Law
- Uniform Packaging and Labeling Regulations
Shameless plug!
Besides labeling, there are many other laws and regulations that apply to handcrafters. To find out which ones apply to you and how to comply with them, buy my book and keep it handy!