2.  Fungal infestation or mold (could be dangerous)

If the white substance  is fuzzy  , has an  unpleasant odor  , or extends beyond the pit into the fruit, this may  indicate mold or fungal growth  . In this case, the peach may be  overripe or beginning to rot  .

Common molds found on fruit include  Penicillium  and  Rhizopus  , which can develop if peaches are stored improperly or remain for too long beyond their optimal ripeness.

🔍 How to tell the difference

Here’s how you can determine whether the white stuff is harmless or a sign to throw the peach away: