---
kind: "section"
citation: "21 C.F.R. § 352.10"
title: "21"
number: "352.10"
heading: "Sunscreen active ingredients."
url: "https://uscodex.org/cfr/21/352.10"
---

# §352.10. Sunscreen active ingredients.


The active ingredient of the product consists of any of the following, within the concentration specified for each ingredient, and the finished product provides a minimum SPF value of not less than 2 as measured by the testing procedures established in [subpart D](/cfr/21/subpartD.md) of this part:

- (a) **Aminobenzoic acid (PABA) up to 15 percent.**
- (b) **Avobenzone up to 3 percent.**
- (c) **Cinoxate up to 3 percent.**
- (d) [Reserved]
- (e) **Dioxybenzone up to 3 percent.**
- (f) **Homosalate up to 15 percent.**
- (g) [Reserved]
- (h) **Menthyl anthranilate up to 5 percent.**
- (i) **Octocrylene up to 10 percent.**
- (j) Octyl methoxycinnamate up to 7.5 percent.
- (k) **Octyl salicylate up to 5 percent.**
- (l) **Oxybenzone up to 6 percent.**
- (m) **Padimate O up to 8 percent.**
- (n) **Phenylbenzimidazole sulfonic acid up to 4 percent.**
- (o) **Sulisobenzone up to 10 percent.**
- (p) **Titanium dioxide up to 25 percent.**
- (q) **Trolamine salicylate up to 12 percent.**
- (r) **Zinc oxide up to 25 percent.**

## Notes

### Amendments

[64 FR 27687, May 21, 1999]

### Authority

Authority: 21 U.S.C. 321, 351, 352, 353, 355, 360, 371.

### Source

Source: 64 FR 27687, May 21, 1999, unless otherwise noted.

### Amendments

[64 FR 27687, May 21, 1999]