---
kind: "section"
citation: "21 C.F.R. § 524.2620"
title: "21"
number: "524.2620"
heading: "Liquid crystalline trypsin, Peru balsam, castor oil."
url: "https://uscodex.org/cfr/21/524.2620"
---

# §524.2620. Liquid crystalline trypsin, Peru balsam, castor oil.

- (a) **Specifications.**
  - (1) Each gram of liquid or aerosol contains 0.12 milligram of crystalline trypsin, 87.0 milligrams of Peru balsam, and 788.0 milligrams of castor oil.
  - (2) Each gram of liquid or aerosol contains 0.1 milligram of crystalline trypsin, 72.5 milligrams of Peru balsam, and 800 milligrams of castor oil.
- (b) **Sponsors.** See sponsor numbers in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter for use as in [paragraph (c)](#c) in this section:
  - (1) **No.** 069043 for use of product described in [paragraph (a)(1)](#a-1).
  - (2) **No.** 017135 for use of product described in [paragraph (a)(2)](#a-2).
- (c) **Conditions of use—**
  - (1) **Amount.** Apply directly to the wound site.
  - (2) **Indications for use.** As an aid in the treatment of external wounds and assists healing by facilitating the removal of necrotic tissue, exudate, and organic debris.

## Notes

### Amendments

[79 FR 10973, Feb. 27, 2014, as amended at 88 FR 14901, Mar. 10, 2023]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13873, Mar. 27, 1975, unless otherwise noted.

### Amendments

[79 FR 10973, Feb. 27, 2014, as amended at 88 FR 14901, Mar. 10, 2023]