What reason causes dry itch on the face in winter

summary

Some people have dry skin, especially in winter. No matter how many skin care products they use, they have no effect. It's too painful to dry and itch after taking a bath. In fact, it's a sign of water shortage. So don't wash too often in winter. Today, let's take a look at what causes dry and itchy skin.

What reason causes dry itch on the face in winter

First, it is understood that our skin consists of epidermis, dermis and skin appendages (hair follicles, sweat glands and sebaceous glands). The cuticle, the outermost layer of the epidermis, is a barrier of the skin, which can not only resist the invasion of foreign bacteria, but also prevent the water loss of the skin. The decrease of winter temperature will lead to the destruction of cuticle and the damage of barrier. At the same time, sebaceous gland secretion increases when the temperature is high, forming a layer of oil film to prevent water loss.

Second: in winter low temperature, on the contrary, sebaceous gland secretion decreased, and promote water efflux. That's why we have dry skin in winter. Dry skin will change the humidity and pH value of the skin surface, activate some neurotransmitters, lead to the occurrence of skin pruritus, and greatly increase the incidence of skin infection.

Third: in addition, some people like to exfoliate the skin, but in fact, the stratum corneum is an inevitable product in the process of skin metabolism, in addition to some patients with keratotic diseases need special treatment, other normal people do not need additional exfoliation, in daily life cleaning, can remove the extra horniness. The use of shoddy, steroid containing skin care products and facial mask or long-term topical steroid preparations can also damage the cuticle of the skin and damage the skin barrier.

matters needing attention

In the daily diet, it is recommended to eat more fresh fruits and vegetables, such as oranges, apples, carrots, green leafy vegetables, to supplement vitamin A, B, C, D and trace elements. Extra virgin olive oil is rich in vitamin E and fatty acids, which can maintain the skin from the inside out.