Does it just work on discoloration or does it work in thickened nails as well?

Opti-Nail®2-in1 contains two different formulas in one package – (1) a cosmetic to improve the appearance of fungal toenails and (2) an antifungal drug product to treat fungus on the skin on/between the toes. The Cosmetic in Opti-Nail 2-in-1 will improve the appearance of discolored and thickened toenails. Always use Opti-Nail 2-in-1 as directed on the label.

I just have nail fungus. Do I need to use both the cosmetic formula on my nail and the antifungal on the skin around my nail?

Yes. Because fungus can reside on your skin at a low level without symptoms, the antifungal in Opti-Nail 2-in-1 can control and prevent fungus from spreading and infecting your skin or other toenails. The cosmetic part of the formula is intended to improve the appearance of yellow, discolored toenails damaged by fungus.

Is the fungus referred to athletes foot or nail fungus?

Athlete’s foot is a skin fungal infection most often affecting the skin on/between the toes. Untreated skin fungus on/between the toes can be a fungal reservoir for infecting healthy toenails. And, fungal toenails have nail fungus that can infect healthy skin between/around the toes and infect healthy toenails. For this reason, Opti-Nail®2-in-1 contains (1) a cosmetic to improve the appearance of yellow, discolored fungal toenails, and (2) an antifungal to treat fungus on the skin on/between the toes that also helps prevent skin fungus from spreading to other areas. Always use Opti-Nail 2-in-1 as directed on the label.

Has anyone used this on fingernails?

I've used it for a toenail, but it can also be used for fingernails.

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✨ Nail your confidence with Opti-Nail’s 2-in-1 fungal fighter!

HYDRATING CARE - Moisturizes nails and surrounding skin to prevent dryness and cracking, keeping your hands camera-ready.
NO MESS CONFIDENCE - Precision applicator targets fungus around nails—clean, easy, and effective treatment.
FAST ACTING RENEWAL - See clearer, brighter nails starting in just 2 days—because waiting is so last season.
TRIPLE ACTION POWER - Kills fungus, soothes skin, and restores nail health with one dermatologist-tested formula.
NAIL BRIGHTENING BOOST - Lightens and smooths discolored nails for a polished, professional look you’ll want to show off.

Opti-Nail 2-in-1 is a dermatologist-tested antifungal treatment that visibly improves nail appearance in just 2 days. Its triple-action formula kills fungus, lightens discoloration, and moisturizes nails and surrounding skin, delivering clearer, healthier-looking nails with a no-mess applicator for targeted care.

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