1. Increase the chance of trauma and infection:

The bare feet wear shoes to expose the skin of the feet to a large extent, often being bruised or bitten by mosquitoes. If you walk more, the feet will be bleeding and bleeding; the bacteria in the air will adhere to the skin, and if the skin has wounds, it will cause infection.

2, the skin is directly "burned" by the sun:

Ultraviolet light in the sun stimulates the skin to produce a large number of oxidative free radicals, which destroys skin cell tissues, accelerates melanin production, makes skin pigmentation, roughness, loss of elasticity, and reduces skin resistance. According to some data, the skin of the feet of the barefoot sandals is directly exposed to the sun, which increases the risk of skin cancer.

3, causing skin keratosis and dermatitis:

The direct contact between the foot and the shoe is easy to make the stratum corneum, such as the heel, the toe, and the like, the longer and thicker the stratum corneum, which increases the chance of occurrence of sputum, "scorpion" and "chicken eye". In addition, some people wear shoes for a long time, walking on the instep, toes, etc., and the friction parts of the shoes are prone to redness, papules, blisters and other symptoms. This is because the skin is allergic to the materials of shoes such as leather and rubber. A contact dermatitis.

4, prone to fungal infections:

People's feet are prone to sweating on hot days. Do not wear men's cotton socks directly, especially wearing plastic sandals, sneakers and other breathable shoes, so that the skin of the feet is directly soaked in sweat, while the fungus is hot and humid. It is extremely easy to grow in the environment, and foot fungal infections can occur.