The search results provide information on various aspects of beauty products, including ingredients, materials, and regulations. Here are some key takeaways:

• Regulations: The FDA regulates cosmetic products in the United States, and cosmetic products and ingredients, except for color additives, do not require FDA approval before they go on the market. Cosmetics marketed in the United States must be in compliance with the provisions of the Federal Food, Drug, and Cosmetic Act (FD&C Act), Fair Packaging and Labeling Act (FP&L Act) 15 USC Ch. 39; 16 CFR Chapter 1 Subchapter E, and the regulations published under the authority of these laws.

• Ingredients: Cosmetic ingredient suppliers often have safety data on their products, which may be published in scientific journals. Preservatives are used in cosmetic products to prevent microbial growth, and common conventional preservatives include parabens, formaldehyde releasers, and isothiazolinones. Synthetic cosmetic ingredients are not necessarily harmful, and the same requirements for safety and labeling apply to all cosmetics, no matter if the ingredients are synthetic, natural, or organic.

• Materials: Coty, a beauty product supplier, formulates its products with vegan and cruelty-free ingredients and works to minimize the environmental impact of materials, packaging, and formula development.

• Positive and negative aspects: The use of preservatives in cosmetic products is controversial, but they are necessary to keep products safe. Synthetic cosmetic ingredients are not necessarily harmful, but some consumers prefer natural or organic products.

In summary, beauty product suppliers are responsible for ensuring the safety and labeling of their products, and cosmetic ingredient suppliers often have safety data on their products. Preservatives are used in cosmetic products to prevent microbial growth, and synthetic cosmetic ingredients are not necessarily harmful. Some consumers prefer natural or organic products, and beauty product suppliers are working to minimize the environmental impact of materials and packaging.