オナホールにカビが生えたら使える?見分け方・原因・予防方法

Can You Use an Onahole with Mold? Identification, Causes, and Prevention

Finding dark spots or discoloration inside or on the surface of an onahole, plenty of people wonder whether it's still usable after washing, or whether it's just the original material color.

Continuing to use it in a state where mold is suspected isn't recommended. With soft materials or deep internal structures, washing only the visible parts makes it hard to judge whether it's been fully removed all the way inside.

This article covers the signs that suggest mold on an onahole, what causes it, why you should stop using it, and how to prevent it.

Main Signs That Suggest Mold

Consider the possibility of mold if you notice any of these changes:

  • Dark spots or blotches that weren't there before
  • Unnatural white or green discoloration
  • A moldy or damp-like smell
  • Sliminess or odor that won't wash out
  • Grime that keeps reappearing in the same interior spot

That said, material patterns, color transfer, and leftover lubricant can sometimes look like mold too. Compare against the condition at purchase, and if you can't tell, stop using it.

Main Causes of Mold

Onahole mold mainly develops when moisture or grime remains inside during storage. The specific causes include:

  • Not washing it right after use
  • Insufficient rinsing of the interior
  • Drying only the outside before storage
  • Putting it in a bag or box while damp
  • Placing it somewhere poorly ventilated
  • Storing it in a hot, humid environment
  • Leftover lubricant or cleaning agent inside

See the article below for basic care methods.

Don't Use It If Mold Is Suspected

If there are dark spots or a moldy smell, don't assume "wiping the surface is enough" and stop using it.

An onahole touches your skin and mucous membranes directly. And with products that have deep, complex interiors, you can't check the condition of areas you can't see.

Even if it looks clean after washing, guaranteeing its hygiene is difficult, so if mold is suspected, consider replacing it.

Don't Disinfect with Bleach or Alcohol

Trying to remove mold, avoid using bleach, mold remover, or alcohol.

Harsh chemicals can discolor or harden the material, and cause stickiness or cracking. Chemical residue left inside can also become an irritant the next time you use it.

Large Onaholes Need Extra Care with Interior Drying

Large types have deep interiors and heavy bodies, so draining water after washing can be difficult. Even when the outside is dry, watch for moisture lingering deep inside.

See the article below for detailed washing and drying steps for large onaholes.

Washing Methods That Prevent Mold

Washing methods that prevent mold

The basics of mold prevention are leaving no residue and drying completely.

  1. Wash it as soon as possible after use
  2. Rinse all the way inside thoroughly with lukewarm water
  3. If you use a cleaner, make sure no residue remains
  4. Blot the outside moisture with a soft towel
  5. Absorb the moisture inside
  6. Stand it entrance-down to drain
  7. Dry it completely somewhere shaded and well ventilated
  8. Store it only once you've confirmed it's dry

Review Your Storage Environment

Even a fully dried product can deteriorate if the storage spot is hot and humid. Avoid direct sunlight, spots near the bathroom, windows, and areas near heaters.

Check the Smell Too

Even without visible dark spots, a persistent sour smell or moldy odor can mean moisture or grime remains inside. See the article below for how to check when the smell won't go away.

Judge Replacement Timing by Condition, Not Use Count

Whether mold develops isn't determined by use count alone. Even a new product can deteriorate if stored damp.

Conversely, even with correct washing, drying, and storage every time, the material degrades gradually. If mold, tears, strong stickiness, or an unusual odor appear, consider replacement regardless of use count.

Summary: Don't Reuse It If Mold Is Suspected

If your onahole has dark spots, unnatural discoloration, a moldy smell, or sliminess that won't wash out, mold is a real possibility.

With soft materials and complex internal structures, you can't judge whether washing the surface fully removed it. Don't force disinfection with harsh chemicals; stop using it and consider replacement.

The basics of prevention: wash it right after use, dry it completely all the way inside, and store it away from high heat and humidity.

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