After finishing medical beauty, how to choose sunscreen products,Beauty tools

　　Ultraviolet rays are mainly divided into UVA and UVB; UVB mainly makes the skin red and sunburned, while UVA makes the skin age quickly, causing wrinkles and spots.

　　SPF: Protection against UVB, just look at it if you do not get sunburned or reddish!

　　SPF value refers to the ability of sunscreen to delay redness and sunburn. For example, SPF50 means that it can prolong the time of sunburn by 50 times. Of course, the actual time to be sunburned still depends on each person's skin type and the intensity of the current UV index.

　　PA: The protection of UVA depends on it if you do not suntan or sunburn!

　　The more “+” means the stronger the ability to prevent tanning and aging, up to 4 “+”. It is generally recommended to basically choose PA++ to achieve a certain effective protection.

　　PPD: European UVA sun protection factor label

　　PPD is a multiple of how long it takes to produce a blackening phenomenon that lasts for more than 24 hours. It is assumed that the average person will be tanned in 10 minutes. After applying PPD6 sunscreen, it can prolong the tanning time by 6 times into 60 minutes. .

　　In addition to the sun protection factor, the key to choosing sun protection: not stuffy, not causing acne, and not sensitizing.

　　Although many sunscreens on the market have a high sun protection factor, they cannot avoid heavy and sticky feeling when used. Some sunscreens with a touch-up effect, because of the addition of artificial coloring, can easily cause pores to become clogged after use, which can lead to acne. In addition, sensitive skin can easily cause skin sensitivity after using sunscreen products with alcohol, pigments, and fragrances.

　　It is recommended that before buying sunscreen products, in addition to the actual trial experience in the cabinet, you can also refer to the ingredient label of the outer box of the sunscreen product, and choose a sunscreen product that has a refreshing texture, is not stuffy, does not whiten, and does not contain alcohol or artificial coloring. Cause a burden on the skin!

　　Physical sunscreen and chemical sunscreen

　　Sun protection can be divided into physical and chemical properties. Physical sunscreen mainly uses two ingredients, zinc oxide and titanium dioxide. Except for these two, the others are chemical sunscreens.

　　Physical sunscreen ingredients are low in activity, high in stability, and the main mechanism is to cover the surface of the skin, so it will not cause irritation to people with more sensitive skin, but the disadvantage is that it will feel heavy or white when used;

　　Chemical sunscreen ingredients are now more and more advanced. With the advancement of ingredient research and development, it may not be more irritating and can achieve good sunscreen effects; the sunscreen products currently on the market are mainly physical and chemical ingredients, and the two types are compatible with each other It is non-sticky, refreshing and can achieve the effect of broadband protection.

　　Of course, girls who have done medical beauty projects are best to choose pure physical sunscreen. It has little irritation to the skin and can achieve protective effects.

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After finishing medical beauty, how to choose sunscreen products,Beauty tools

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