The short version
Just 3 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.
Extra Strength Toenaiil Renewal Pen
Undecylenic Acid, Tolnaftate · TOLNAFTATE .01 g/mL; UNDECYLENIC ACID .25 g/mL · Liquid · Topical · Guangzhou Saweilan Import & Export Trading Co., Ltd
NDC 85966-0010-01 · 5 mL in 1 BOTTLE · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
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 →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Regulatory
- Application
- M005
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Undecylenic Acid, Tolnaftate (Liquid)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Guangdong Quadrant Ecological Technology Co., Ltd. | TOLNAFTATE .01 g/mL; UNDECYLENIC ACID .25 g/mL | Jul 15, 2026 | Sep 2, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | TOLNAFTATE .01 g/mL; UNDECYLENIC ACID .25 g/mL | Jul 15, 2026 | Sep 2, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | TOLNAFTATE 1 g/100mL; UNDECYLENIC ACID 25 g/100mL | Jul 15, 2026 | Sep 2, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | UNDECYLENIC ACID .25 g/mL; TOLNAFTATE .01 g/mL | Aug 26, 2026 | Sep 2, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | UNDECYLENIC ACID 25 g/100mL; TOLNAFTATE 1 g/100mL | Aug 26, 2026 | Sep 2, 2026 |
| Hong Kong Juxin Negosyo Kag Komersyo Co., Limited | UNDECYLENIC ACID 25 g/100g; TOLNAFTATE 1 g/100g | Aug 28, 2026 | Aug 28, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | UNDECYLENIC ACID .01 g/mL; TOLNAFTATE .25 g/mL | Jul 22, 2026 | Aug 22, 2026 |
| Guangzhou Saweilan Import & Export Trading Co., Ltd | UNDECYLENIC ACID 1 g/100mL; TOLNAFTATE 25 g/100mL | Jul 22, 2026 | Aug 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Extra Strength Toenaiil Renewal Pen — NDC 85966-0010-01," retrieved September 3, 2026, https://drugdashboards.com/drug/85966001001.
Free to cite with attribution — see how the data is put together.