The reasons why dogs have dandruff and hair loss:

1. Dogs staying in air-conditioned rooms for a long time will cause the original moisture on the body to Loss and dry skin.

2. Frequent and excessive bathing of dogs can lead to imbalance of oil secretion in the dog's skin, resulting in peeling and dandruff.

3. Feeding dogs too much salt for a long time can lead to dryness and peeling of the dog’s skin.

4. Dander caused by skin problems and fleas and other parasites in the dog itself will cause the dog to continue itching and may scratch continuously to produce dander.

5. When dogs lack vitamin A, their skin will become dry, rough and dandruff.

Solutions to dandruff and hair loss on dogs:

1. You can usually wash it off with dog-specific shower gel. of skin flakes.

2. You can also comb the dog's hair regularly to remove some dirt and dandruff, and remove hair.

3. Improve the dog’s diet, choose a nutritionally balanced dog food and supplement it with trace elements.