The white spots on the floating hair of cats may be caused by these reasons.

1. Dander: When a cat’s skin is dry or the cuticle is thick, it may produce a large amount of dandruff. These dandruff are easily removed during combing and appear as small white dots.

2. Fungal skin diseases: If the cat suffers from fungal skin diseases, such as cat ringworm, May cause extensive hair loss and white dandruff.

3. Parasitic infection: Certain parasitic infections, such as mite infection, may also cause a large amount of white scurf on the skin surface accompanied by hair loss.