The main reason why wrinkles appear on the skin as people age is due to the natural aging of the skin and the influence of living habits.

As we age, most cells in the human body have a limited lifespan and will gradually die, and skin cells are no exception. When you are young, newly generated cells can replace dead cells in time to keep your skin young. However, as we age, the ability of skin stem cells to self-renew diminishes, and new cells may be produced more slowly than old cells die. Over time, the skin loses elasticity and wrinkles appear.

In addition, factors such as sun exposure, malnutrition, lack of sleep, and muscle fatigue may accelerate skin aging and promote the formation of wrinkles.

Therefore, maintaining good living habits, such as avoiding sun exposure, maintaining adequate nutrition, and ensuring adequate sleep, can help slow down the rate of skin aging and reduce the appearance of wrinkles. At the same time, using appropriate skin care products, such as moisturizers, antioxidants, etc., can also help protect the skin and slow down the aging process of the skin.