1, an effective method of water supply
The skin controls excretion rather than absorption.
Cheng Ningxin, Plastic Surgery Center of the First Affiliated Hospital of Guangdong Pharmaceutical University, said that many people know that the kidney is an excretory organ, and toxins and excess water in the body are excreted through the kidney. Once there is a problem with renal function, the toxin cannot be excreted, which will endanger people's lives. In fact, it is not only the kidney that is responsible for the excretion of human toxins, but also the skin, the largest organ of the human body, which is called the second kidney.
Skin excretion depends on sweat glands, and toxins, salts and wastes in the body are excreted through sweat glands. Sweat glands are tubular, starting from the deeper dermis, passing through a long and narrow catheter and connecting with the surface layer of skin. Sweat glands can be divided into two types: one is specialized in secreting water and water-soluble substances, which has the function of regulating body temperature; The other is distributed in the arms and chest, where water, salt, fat body and cell waste are discharged. The excretory function of the skin can not only reduce the pressure on the kidney, but also regulate the body temperature and form a sebum film on the skin. Therefore, keeping sweat glands unblocked is very important for having good skin. However, it is difficult for skin with excretory function to absorb water.
The moisturizing effect of the mask is short-lived.
Some female readers will ask: "I will feel much more hydrated just after applying the hydrating mask. How can I say that skin hydration has no effect? " Director Cheng Ningxin explained that applying mask to replenish water will make the face feel moist, but it will be short-lived, because a small amount of water does penetrate into skin cells, but once the mask is stopped, the infiltrated water will evaporate quickly and the effect will not last. If you soak your face in water for a while, it will have the same effect. This is because when skin cells are immersed in clear water, intracellular fluid's body osmotic pressure is higher than that of clear water, and water will flow from low osmotic pressure to high osmotic pressure. However, this inflow of water cannot be retained, so the effect of hydrating through the skin will be short-lived.
Professor Cheng introduced that the only effective way to replenish water through the skin is to inject hyaluronic acid. Hyaluronic acid exists in human connective tissue and reticular tissue of dermal layer, and is one of the main components of skin matrix. Its most important function is to save water. The hyaluronic acid content in baby's skin is the highest, so the skin is as tender as boiled eggs. With the increase of age, the content of hyaluronic acid is decreasing day by day, and the skin gradually loses its elastic luster. By injecting hyaluronic acid into the skin, it can really keep the skin hydrated for a long time. However, injection of hyaluronic acid is expensive and needs to be re-injected in about 3-6 months.
Drink water and replenish water with cream.
How do women who don't want to inject hyaluronic acid have hydrated skin? Cheng Ning's new explanation is that the external supplement is not enough, but the internal supplement can. That is to say, you should drink more water, so your body will not be short of water, so your skin will not be short of water. Residents living in a warm environment should drink at least1500ml of water every day, which is what we often call 8 glasses of water.
In addition, in this part of the skin, we should do a good job of "water conservation." We can apply some creams containing macromolecules such as silicone oil. These macromolecules can weave a "net" on our face, which plays a role in isolation, so that the moisture in skin cells will not be evaporated, nor will it affect the breathing of skin cells, so that the skin will remain moist and full, which is what we commonly call "moisturizing" effect.
2, the method of skin care and moisturizing
First of all, clean
Cleansing is a short process, and the moisturizing ingredients in cleanser stay on the skin for less time, so the moisturizing effect is limited. Choose moisturizing cleanser with delicate and rich foam, and increase the contact surface with skin and pores through rich and delicate foam, thus bringing out dirt and grease, which is gentle and will not damage the skin.
Second, emulsion
Using make-up water to nourish the skin can quench thirst, dry the skin and pave the way for the later moisturizing work, which is a key step in daily moisturizing. When choosing toner, be sure to change the astringent toner containing alcohol into moisturizing toner.
Third, the essence of beauty.
Essence has always been one of the most "quality" steps in skin care, and so has moisturizing care. Especially for the skin that is easy to dry or greasy on the surface and dry inside, it is necessary to use the essence with moisturizing effect to further replenish moisture, adjust the water-oil balance of the skin and make the skin change to an ideal state.
Fourth, eye cream.
The skin around the eyes is most prone to fine lines and desquamation due to dryness, which easily leads to premature aging and relaxation. Therefore, you must choose an eye cream with super moisturizing power. If you don't want to replace the used eye cream, the best way is to add an eye essence with moisturizing effect, and use it together with eye cream to make eye care more moist.
Verb (abbreviation of verb) emulsion (cream)
Beauty liquid can regulate the skin condition, but it can't fundamentally keep the skin moisture. In this respect, the real professionals are lotions and creams. Moisturizing cream can not only lock the skin moisture, but also prevent the skin temperature from dropping and improve the phenomenon of poor blood circulation.
Six, concentrated moisturizing care mask
Any water-containing substance that stays on the skin for a long time will produce a tender and smooth touch, so we suggest that you apply a moisturizing mask 1~2 times a week, which will bring rebirth and moisture to the skin. The key point of moisturizing mask is that its ingredients contain "moisturizing" effect, which can really increase the moisture content of skin and rejuvenate tired skin.