【Yami Open Class| Live content] (1)

Lesson 1 of 95Sub-science skin care

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“What have we done these days???”

We shared [Yan An Tang] a lot of dry skin care products in the list before

September 26-September 29[Yan An Tang] brought to Yami Skincare Open Class WeChat group

1 hour a day The most scientific skin care basics< /span>

full of dry goods

Yami will organize the content of the live broadcast and share it with everyone who can't listen to the live broadcast~ 0 span0

---coming to the topic---

Before we talk about skin care, we need to have a basic understanding of the skin. After understanding a framework or theoretical system, we can Know how to match skin care knowledge one by one. So, let's talk about the entire structure of the skin first.

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When I came up, I threw a picture of the structure of the skin. I hope everyone will not be stunned by this picture. In fact, we are not on the creature. Class, it's good for everyone to understand a little bit.

The main structure of the skin can be divided into three parts, from outside to inside, the epidermis Epidermis< /span>, the dermis Dermis and the subcutaneous tissue Subcutaneous layer. The skin is the largest organ in our body, just like the heart, liver, spleen, lung and kidney. So please treat you like you are Treat it gently like the rest of the body. Don't treat it like an unconscious thing and ravage it casually.

There are two most important functions of the skin. One is the barrier function. We deal with the outside world every day and come into contact with various A kind of irritant or harmful substances. The role of the skin is to protect the inside of our fragile body. The other is to support and cushion. The skin is elastic and can cushion the impact and pressure of the outside world.

What are the functions of these two blocks?

Barrier is the function of our outermost epidermis. On the surface, you can think of it as our shield or Armor. The role of support or buffering is mainly achieved by the underlying dermis and subcutaneous tissue. Because the dermis has some collagen and elastin, and the subcutaneous tissue mainly contains fat. Everyone hears fat and thinks it is very bad But in fact, fat is very important to us. Because of fat, your skin can hold up and look plump instead of shriveled. We all often say that fat people look less old, which is related to fat. Certain relationship.

Then, in the picture below, we can see that there are still hairs on the skin. There are hair follicles under the hairs, which are growth The place where the hair is. There are sebaceous glands next to the hair follicles, and the two share the same outlet. In addition, we can also see that our blood vessels only extend to the dermis, not the epidermis. Sometimes our skin is stained If it breaks a little, but there is no bleeding, it means that the dermis is not damaged. The role of blood vessels, as we know, is the logistics and express system of our whole body, sending all kinds of nutrients we inhale here. But it only Can be delivered to the dermis but not the epidermis.

The picture just now may be more complicated, let’s look at a slightly simplified picture.

We just said leather The layer has a lot of collagen. Collagen (the crossed slashes in the picture< /span>) is equivalent to an elastic steel bar, which acts as a support. Then it is filled with everyone I like hyaluronic acid or hyaluronic acid.

If the collagen in the dermis is destroyed as we age, it loses its support. The skin collapses Going down, there is no elasticity and wrinkles appear. So, when we talk about anti-aging, we refer to the dermis.

Speaking of this, you may think that skin care should be aimed at the dermis? What kind of collagen and hyaluronate? Acids are all here. But in fact, the dermis is not the focus of our daily skin care. The focus of our daily skin care should be on it, that is, the epidermis.

Why do you say that? There are many reasons for the destruction of collagen in the dermis. One of the main effects is from Free radicals. We will generate some free radicals within ourselves. At the same time, some external stimuli such as the ultraviolet rays of the sun will also bring free radicals. In this case, if you put these things in, consider some antioxidants Deal with it. It's like taking medicine to treat the disease after getting sick. Why is this necessary.

The best cure is of course prevention. That is to rely on the outermost shield to resist. This is why Skin care focuses on the epidermis.

Therefore, we also put forward a point. If skin care is divided into 100, the barrier function of the epidermis should be done well , you may be able to achieve ninety-five points. And the anti-oxidation, anti-aging and whitening you do underneath is equivalent to only five points. This is what we call a ninety-five-point skin care concept. < /span>

The protection of the skin epidermis barrier function isninety-five points A foundation of skin care. A healthy skin barrier function, on the one hand, can resist external harmful substances and irritants. On the other hand, it can also block the loss of internal moisture. The combination of the two has been able to keep our skin smooth to a large extent, and at the same time have Good permeability. The skin will look bright, and it will have a relatively whitening effect. At the same time, the skin can block irritating substances (including free radicals and the like) from further entering the dermis. So it can help The anti-aging effect of the dermis.

So, what we call whitening, anti-aging and moisturizing can actually be achieved through the protection of the epidermis. Get a better result. For example, for a 100% test paper, even if you have completed the last five points very well, you will still fail the previous questions. Do it well and do the first three points we said (reasonable cleaning, moderate moisturizing, strict sun protection) and you may get 95 points. We will mainly focus on these three points in the next class.< /p>

(To be continued...)

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