The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Salicylic acid 40% · SALICYLIC ACID .4 g/1 · Patch · Topical · Guangzhou Chuanglian Zhida Trading Co., Ltd
NDC 87579-0003-01 · 216 PATCH in 1 BOX / 1 PATCH in 1 PATCH · OTC MONOGRAPH DRUG · View full market →
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
How Part D pricing works →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
price up 25% YoY · sole-source market
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Guangzhou Chuanglian Zhida Trading Co., Ltd | SALICYLIC ACID .4 g/1 | Sep 3, 2026 | Sep 3, 2026 |
| Guangzhou Huixue Biotechnology Co., Ltd. | SALICYLIC ACID .4 mg/144um | Aug 12, 2026 | Sep 2, 2026 |
| Guangzhou Huixue Biotechnology Co., Ltd. | SALICYLIC ACID .4 mg/144g | Jul 19, 2026 | Aug 30, 2026 |
| Shenzhen Haizhida E-commerce Co., Ltd | SALICYLIC ACID .4 g/1 | Jul 15, 2026 | Jul 29, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Wart Remover Patches — NDC 87579-0003-01," retrieved September 3, 2026, https://drugdashboards.com/drug/87579000301.
Free to cite with attribution — see how the data is put together.