Do I need to use sunscreen every day?

This is a very good question about whether you need to wear sunscreen every day. The topic of sunscreen lasts for a long time, just like whitening. Because we know that light is harmful to the skin, if we are exposed to strong ultraviolet rays, our skin may get sunburned, turn red and then turn black. At the same time, sun protection is essential for people who want to whiten or lighten their faces.

At high altitude, because ultraviolet rays will be stronger, people there will easily produce plateau red, such as blushing on both sides. Especially in the north, like Gansu and Tibet, there are many plateau reds. Light may deepen rough skin wrinkles, and pigmentation is the most obvious example. This is also what I read in a book: farmers who have been farming all their lives will have particularly deep skin wrinkles due to the long-term influence of sunlight. In addition, there is an experiment abroad that drivers who drive large trucks for a long time face the sun 10 years, and one face is at least 10 years older than the other. The protection of visible light is very important.

A: Wavelength

UVB: 290-320 nm, epidermal absorption damage. Epidermis causes skin erythema, especially in summer, which is the function of uUVB.

UVA:320~400nm, the long wave is also called tanning section, and the black light passes through the epidermis to reach the upper dermis and acts on blood vessels and other tissues.

B: Seasons.

Generally, when the sun shines in summer, the angle in the northern hemisphere is smaller and the ultraviolet rays will be stronger.

In winter, the northern hemisphere has a large angle of sunlight and weak ultraviolet rays.

C: Time.

After 9:00 a.m. to around 3:00 p.m., the ultraviolet radiation intensity is 25% of that at noon 12:00, which means outdoor activities should be avoided at this stage.

D: altitude

At an altitude of 2000 meters, ultraviolet radiation is 33% higher than sea level, and the plateau is sunnier.

environment

In an open and flat area, such as a beach square, ultraviolet rays reflect strongly.

The white sand beach makes the reflection of the surrounding, the water surface of the beach and the blue sky under the shadow of the parasol, and the ultraviolet radiation is 40% higher than that of sunlight in other places.

F: Indoor and outdoor.

Outdoor ultraviolet radiation is 3~4 times that of cities. Farmers have darker skin, rougher skin and more wrinkles than people who go to work.

G: ultraviolet transmittance:

Ultraviolet long waves can penetrate glass, but the waves on doors, windows and windows can't penetrate glass, so if you want to bask in the sun and supplement calcium, you can only go outdoors to avoid it. Including the ultraviolet light in the lighting, such as LED lights without ultraviolet light, except some ultraviolet LED lights, other light sources have a small amount of ultraviolet light, but we will avoid it when we are more than 0.5 meters away from the light source/kloc-0.

I have learned some knowledge about ultraviolet rays in conceptual English before. I remember a teacher once said that many people think of wearing sunscreen when they mention it, but our teacher said before that what we should do is to avoid light. Because many people have heard about sun protection, it is natural to apply sunscreen as the last concept of sun protection.

We will have many doubts, including whether we should wear sunscreen on the way to work.

Including indoors, do you want to wear sunscreen?

Should I wear sunscreen when driving?

Including how long to apply sunscreen outdoors.

Let's take a look at the degree of skin damage caused by different degrees of sun protection index.

0~2.9, the ultraviolet index is low, and the index is above 2, so you can use sunscreen sunglasses and sunscreen caps appropriately.

3.0~5.9 in the ultraviolet index, the strongest sunshine at noon. Stay in a cool place. If you are outdoors, you can use sun protection clothes, sun protection caps and sunglasses.

6.0~7.9 is the high ultraviolet sun protection index,

The ultraviolet index is above 8.0 ~ 10.9, 1 1. All belong to relatively high ultraviolet rays. For this UV index, we try to reduce outdoor activities between 10:00 and 4:00 in the morning. If we are outdoors, we should use sun protection clothes, sun protection caps and sunglasses, and use sunscreen for more than 30 times or about 50 times every two hours. Use clothes. Physical sun protection and sunscreen can block ultraviolet rays.

Share a data that can look at the ultraviolet index. If you are an Apple mobile phone, we can click on the weather forecast that comes with the Apple mobile phone, and there will be an ultraviolet index in it to know the ultraviolet situation today. This is also the latest discovery, especially useful.

As for the previous question, do we need to wear sunscreen on our way to work?

In this case, there is no clear answer. You can check the ultraviolet index and refer to the level of ultraviolet index I shared above. We can know how to do sun protection, whether to wear a sun protection hat or a sun protection hat with sunscreen.

Including whether you need to wear sunscreen when driving,

Do we need to wear sunscreen indoors?

This should refer to an ultraviolet index in our place at that time, so we should try to avoid it between 10:00 and 4:00 pm, and avoid long-term exposure in the strongest place during this time. If you must go out, it is also recommended to do enough sun protection, because the more outdoor, especially in summer, in bright and smooth places, ultraviolet rays will be strengthened by reflection. For example, in open squares, beaches, deserts, plains, high-altitude areas, tropical areas, especially these places, we must do enough sun protection. You can refer to the sun protection measures corresponding to the sun protection index above.

Summary: No matter which way we choose to avoid light and protect ourselves from the sun, it depends on the ultraviolet index of our outdoor stay at that time and the length of time we spend outdoors.

Uv index-choose to avoid light.

Numerical selection of sunscreen

Upf value, choose sunscreen umbrella, sunscreen hat and sunscreen clothing.

Finally, about whether we should wear sunscreen every day, what I personally want to share here is that if the ultraviolet rays in our place were not strong at that time, then we can achieve the corresponding sun protection through physical sun protection, such as sun protection hats and umbrellas. I wear sunscreen every day this season. Under special circumstances, I will choose to bring an umbrella or a sun hat. If your skin is sensitive, I would suggest that you choose physical sunscreen and try to choose sunscreen suitable for sensitive skin in Shu Min.

Sunscreen is an indispensable step in skin care. Sunlight, electronic product radiation, lighting, etc. Will hurt your skin. Therefore, it is necessary to do a good job of sun protection to prevent skin aging.

When using sunscreen products, there may be such a question, is sunscreen used every day? It is used almost every day in summer, and it is also needed to go out in spring and autumn. At other times, isolation can be used instead. Now that isolation has a certain sun protection index, commuting is enough.

Sunscreen Orbis sunscreen recommended by many beauty bloggers has a certain cosmetic effect and a thin upper face, which is very suitable for use in hot weather.

Addictive sunscreen is neither oily nor white, but it has no luster and good moisture retention, which is also good for later makeup.

Biosoft sunscreen gel, the biggest feature of this sunscreen is its high cost performance and moist texture. It is cool to apply it to the skin in summer, and the sunscreen effect is also good.

Ann Nai's small sunscreen bottle, a famous sunscreen, is necessary for the seaside in summer, and it is waterproof and not sunburned. These two points are very popular. Pay attention to makeup removal, otherwise it is easy to get acne. In February of this year, a new version of Xiaojin Bottle was launched.

Gabbana's sunscreen can be regarded as an alternative to Annabel's sunscreen. It's not a loss at all. It's much cheaper than Annabel's sunscreen. It's refreshing and not greasy, and it also has a sunscreen effect.

When using sunscreen, we should also pay attention to who needs sunscreen, and apply sunscreen about half an hour before going out.

Many girls ignore the important point of skin care, that is, sun protection.

Many people think that sun protection is unnecessary, or it is only necessary to apply sun protection in summer. This is a misunderstanding of everyone. Facial sunscreen is a very important step in the skin care program. Even if you don't go out, as long as you come into contact with radioactive electronic products such as TV and computer, you should also do a good job in facial sunscreen. Similarly, whether it is spring, summer, autumn and winter, rain or shine, sun protection is a skin care step that must be taken after water emulsion. Sun protection can not only isolate ultraviolet rays, but also prevent electronic radiation, thus better protecting the skin from harm and reducing the pace of aging.

When buying sunscreen, everyone must be optimistic about the sun protection index. Spf30/50 This is the sun protection index. The higher the value, the better the sunscreen effect. In daily life, spf30 is enough. In summer, you must choose spf50+ sunscreen and apply it in time. If you don't have a seaside partner, you must choose a sunscreen that is higher than spf50. Pay attention to choosing a sunscreen that is waterproof enough.

Then, I recommend some favorite sunscreens to you ~

Dyke AG sunscreen lotion

There is no sunscreen I like ~ As a star product of Deke, this sunscreen is non-greasy and moisturizing, suitable for girls with oily skin or dry skin. The upper face quickly forms a film, and the spf50 sun protection index is absolutely enough in daily life.

Yi Li Si Er sunscreen lotion

As an emerging brand in recent two years, the elixir is deeply loved by fans under the leadership of Shiseido, the parent company, through excellent quality and reasonable price. Among them, the star product sunscreen lotion makes the favorite girls fondle it. Easy to push away, not greasy is a major feature of this product.

An Nai Sun Xiao Jin Ping

I believe everyone is familiar with this sunscreen. Occupy the throne of a sunscreen brand all the year round. No matter how many new products appear, it can't stop her from becoming the leader of sunscreen products. High sun protection index, good water resistance, can be applied to the whole body and face. Summer is too naive to be dark. The only drawback is that the taste is a bit heavy, but it does not affect her texture.

Many fairies are so confused in winter? It's so cold that I can't see the sun once in half a month. Do I need to wear sunscreen when I go out every day?

The answer is: of course!

In the weather without sunshine, ordinary clouds can only weaken the ultraviolet intensity by 20%-40%, and glass can only block UVB. Neither cloud nor glass can stop UVA, which is the main cause of wrinkles and aging caused by ultraviolet light.

The damage of ultraviolet rays can be accumulated. If you are injured by ultraviolet rays for a long time without taking proper sun protection measures, it will lead to sunburn, spots on your face, skin loss of elasticity, wrinkles and so on. Therefore, when going out, you must insist on applying sunscreen every day, which can not only play a role in sun protection, but also prevent skin aging and protect skin from light pollution.

But many people worry that long-term use of sunscreen will do harm to the skin. In fact, if we just go out for a short time or stay indoors for a long time, we don't need to use high-power sunscreen products. We can choose some mild sunscreen products to reduce or reduce the damage to the skin.

▲ Nivea's refreshing water-based sunscreen has a cool and slightly thinner texture. It is milky white when squeezed and watery when it comes into contact with the skin. Light and tasteless, with a slightly heavy sense of alcohol and a low coefficient. There is no problem in daily indoor use. Not suitable for dry skin!

▲CPB anti-aging sunscreen, its texture does not belong to a very refreshing and moist type, suitable for 25+ women. It feels like a cream, suitable for dry winter, without whitening and peeling, and also has a certain moisturizing effect on the subsequent use of foundation. Not suitable for oil skin!

▲ Elegant embellishment and isolation, smoothing pores, controlling oil and resisting sweat are the gospel of oily lazy people. With SPF40 PA+++ sunscreen value, liquid texture, very refreshing, not greasy at all, and easy to push away. It's okay to go out and paint every day!

Choose sunscreen products in autumn and winter. You can choose not to be waterproof, you can use a sunscreen that removes makeup with facial cleanser, or you can change the makeup remover to a milder one. In short, sun protection is the first step in anti-aging, and you can't be lazy if you love beauty ~

Hello, don't think it's winter. On the one hand, ultraviolet rays are not strong, on the other hand, people in cold weather seldom do outdoor activities, so they can protect themselves from the sun lightly!