Keep your hair warm and protected from the cold：

The head is known as the "convergence of all yang." Medical research has found that when a person is resting and not wearing a hat, 30% of the body's total heat is lost through the head at an ambient temperature of 15°C, and 60% at 4°C. A cold head can cause cerebral vasoconstriction, leading to mild symptoms such as dizziness and headaches. It can also disrupt scalp nutrient circulation and hair follicle metabolism, leading to nutritional imbalances in the hair or excessive hair loss. This shows that in cold winters, the head, like the rest of the body, needs to be kept warm.

Anti-pollution：

Winter is often windy and dusty, especially in today's increasingly polluted world. While hair is tangled and messy, the microbes and dust trapped in your hair act like grit on sandpaper, wreaking havoc on your scalp and increasing friction between your comb and hair as you comb and move. These invisible microbes can cause bacterial growth on your scalp and even lead to follicle infections, directly impacting the hair's living environment and growth quality. Wearing a comfortable and stylish hat provides both an aesthetically pleasing and protective coat for your hair, effectively shielding it from dust and microbes.