Toenail Fungus Treatment Extra Strength: 25% Undecylenic Acid & Tea Tree Oil - Repairs Yellow Thick Brittle Toe and Fingernails - 3 Pens with 5 Nail Files

EXTRA-STRENGTH FORMULA (25% UNDECYLENIC ACID): High-strength active paired with tea tree oil to help reduce discoloration and the look of thick, brittle nails.

COMPLETE NAIL RENEWAL: Helps restore nails damaged by fungus, including splitting, crumbling, discoloration, and thickening.

3 PENS + 5 NAIL FILES KIT: Three high-precision antifungal treatment pens for targeted application, plus five durable nail files to support gentle nail preparation and repair.

FAST-DRY, NON-GREASY: Thin, quick-absorbing liquid designed for daily use; integrates easily into morning and night routines.

EASY DAILY CARE: Clean, file lightly, then apply a thin layer 2–3× daily; consistent use helps support clearer-looking nails over time.