It is impossible to save. The white hair indicates that it has been infected by mold and cannot be drunk. There are harmful substances in the wine. If you are going to make wine later, the grape skins will float one to two weeks before fermentation. You need to press them twice a day, morning and evening. into the wine to prevent the grape skins from growing mold in contact with the air, and the wine needs to be made under light-proof and sealed conditions. The appropriate temperature is generally around 20 degrees. I hope this can help you