What is clean beauty? There isn't a standard definition. Here's what you need to know

Studies show that the desire to have clean beauty is growing more than ever.

The FDA leaves it up to the brands to label and market their products.

Many brands avoid what's called the "dirty dozen" The FDA monitors the labeling of cosmetics, but beauty products don't need to be approved by the government agency.

This is a chemical used for its antibacterial properties and is often found in soaps, cleansers, lotions and skincare creams.

Hydroquinone is a topical agent typically used to treat hyperpigmentation for its skin-bleaching effects.

Parabens are another ingredient that has a bad reputation that "is not necessarily justified".

The law also doesn't require companies to disclose their safety information to the FDA.

Dr. Koo advises reaching out to the company to get more information before selecting a beauty product.

"You should trust and believe the brand and the founder have tried some of its products," she said.