### Question
How is the "sunscreen active ingredient" defined?


### Answer
The term **sunscreen active ingredient** is defined in *21 U.S.C. § 360fff* as follows -

> an active ingredient that is intended for application to the skin of humans for purposes of absorbing, reflecting, or scattering ultraviolet radiation

#### Citation:
  - *21 U.S.C. § 360fff*
  - Heading: **CHAPTER 9-FEDERAL FOOD, DRUG, AND COSMETIC ACT > SUBCHAPTER V-DRUGS AND DEVICES > Part I-Nonprescription Sunscreen and Other Active Ingredients**

