What layer of the epidermis is the most important for skin barrier function?

The most important thing is the stratum corneum.

What is a barrier, what does a barrier consist of, and what are its functions?

Resist ultraviolet rays to the human body and prevent oxidation of the human bodyPrevent dust from the outside from entering the human body and prevent bacteria from growing in the human body. Prevent the human body from being affected by changes in the outside temperature and prevent frostbite.

Prevent the invasion of harmful viruses and bacteria, and have the function of regeneration and repair. Prevent the loss of water and electrolytes, and have a shielding and protective effect on ultraviolet electromagnetism.

First, barrier, second, absorption, third, secretion, fourth, excretion, fifth, immunity, sixth, metabolism, seventh, thermoregulation, etc

The main function of the barrier is to prevent the loss of surface moisture. <> when the barrier function of the human body is normal, it has a good barrier effect on some light, electricity, temperature, microorganisms and harmful substances in the outside world, so as to maintain the normal physiological state of our human body. Then, the function of the barrier is a simple brick wall structure.

Bricks are the keratinocytes and mortar of our body. The mortar inside the wall is some of the cortex between our epidermal cells, and some phospholipids secreted by the cells, and its organic combination makes our ** have strong stability and can play a good biological barrier function. Then, if these barriers are often cleaned up in daily life, it will lead to the destruction of our entire barrier function.

Therefore, our barrier function is very important. <>

The first barrier of the old body plays a very important role, mainly to form a natural protective barrier for the human body. The function of the barrier is mainly to prevent the loss of water from the surface of the human body, and also to prevent some moisture from the outside from easily entering the human body. And, there will be some bacteria on the surface.

If there is a healthy ** barrier, it can also effectively prevent some viruses and bacteria from entering the surface of the human body, which can cause diseases. Moreover, the barrier will also have a good protective effect on some things in the outside world, which will make the barrier have a certain elasticity and ductility. It can also avoid the loss of **nutrients and avoid aging.

In fact, there are many improper behaviors in life that may destroy the best barrier, some are caused by the natural environment, and some are caused by human factors. For example, some improper skin care habits, such as frequent face washing or excessive cleaning, will damage the barrier, and some beauty items may also damage the condition, such as lasers, and some drugs may also damage the barrier, and ultraviolet rays will also seriously damage the keratin barrier function.

It can prevent cold, can prevent damage to the human body, protect the skin from cracking and sensitizing the skin and the water in the human body is not lost, can achieve the effect of moisturizing, and can prevent bacteria or fungi from entering the human body to cause diseases.

The main purpose is to ensure that the water in Suijuhui's body is not lost by guesses, and it will also play a certain protective role in Labi, which has a certain defensive function against some harmful substances or ultraviolet rays.

a.Use a gentle facial cleanser.

b.Rebuild and repair sebaceous membranes.

c.Exfoliate regularly.

d.None of the above is true.

Correct hall sullen answer: b