The reasons why dogs’ noses become lighter:

1. The body functions of older dogs decline, their metabolism is not as strong, and the body’s melanin deposition ability will also decline. , it is easy for the nose to fade.

2. Some dogs will have periodic nose fading with seasonal changes. This phenomenon mainly occurs in winter. When the weather warms up, the color of the nose will deepen and turn back to black.

3. A very small number of dogs will have the pigment on their noses fade due to allergies to some materials. This usually occurs in contact with plastic and rubber products.

4. Genetic genes. The genes in the dog’s body determine the amount of melanin, which affects the color of the dog’s skin and hair.

5. When the nose is injured, fading may also occur. Carefully take care of your dog's wound, it will heal slowly, and the color will gradually return.

Methods to improve the lightening of the dog’s nose:

1. Spend more time in the sun to increase the deposition of melanin.

2. Keep warm (turn on air conditioning, floor heating), the temperature is conducive to the precipitation of melanin.

3. Oral anti-aging drugs can slow down the rate of aging. Dogs’ noses will also fade as they age.

4. Supplement vitamin B and vitamin C. Vitamin B complex can help melanin deposition and can also make people's hair black. Vitamin C can help the absorption of vitamin B. They are water-soluble and excess will be excreted from the body through metabolism.

5. Due to the cause of illness, you need to go to a pet hospital for medical treatment.

6. If the nose tip is discolored due to allergies, you need to go to a pet hospital to test for allergens.