For toenail fungus, white vinegar is usually the better pick because it tends to have a more consistent acetic acid content and is usually cheaper, but there is no solid evidence that it works better than apple cider vinegar overall.

What the evidence suggests

Both white vinegar and apple cider vinegar are acidic, so both may make the environment less friendly for fungal growth.

Sources that discuss the topic generally say there is no clear scientific proof that one vinegar is superior for toenail fungus.

Some guidance even says the key factor is the vinegar’s acidity, not whether it is white or apple cider.

Practical choice

  • White vinegar: more affordable, more available, and more predictable in acidity.
  • Apple cider vinegar: popular in home-remedy discussions, but not clearly more effective.
  • Best overall: neither is a proven cure, and vinegar soaks are best seen as a mild home remedy rather than a reliable treatment.

Safety notes

Vinegar can irritate skin, especially if it is undiluted or used too often.

A common approach is diluting it with warm water and soaking for a limited time, then drying the feet well afterward.

If the nail is thick, painful, spreading, or not improving, medical treatment is usually more effective than home remedies.

Simple answer

If you want to try one, choose white vinegar for simplicity and cost, but don’t expect it to outperform apple cider vinegar in a meaningful way.