Whether you’re a long-time beauty follower or just starting out with skincare, you’ve probably wondered if you need to apply sunscreen at home? In fact, applying sunscreen at home is a must-have if you want to protect your skin in the most comprehensive way. Sunscreen will help you protect against blue light from laptops, phones and UV rays from light-emitting devices that can be harmful to the skin. Therefore, you should wear sunscreen indoors.
- 1 Should you wear sunscreen indoors?
- 2 How to choose the right sunscreen for you
- 3 Is sunscreen harmful to health?
- 4 Some questions about wear sunscreen indoors
- 5 Instructions on how to effectively block ultraviolet rays when wear sunscreen indoors
- 6 How to wear sunscreen indoors to bring the best effect
Should you wear sunscreen indoors?
Why should you use sunscreen?
Scientists have shown that sunlight contains all kinds of rays, especially ultraviolet rays, which are harmful to humans. In addition to health factors, sun-exposed skin also faces the following risks:
- The skin is darkened, darkened;
- The natural protective layer of the skin is destroyed, the skin is easily damaged;
- Reduces the natural resistance of the skin;
- Skin prone to irritation, acne;
- Skin lacks vitality, often in a state of fatigue;
- Fast aging skin;
- Dry, peeling skin;
- Possible skin cancer…
Therefore, it is very important to protect the skin against sun damage so you need to wear sunscreen indoors. The researchers also found that the use of conventional sun protection measures was not effective. And sunscreen is one of the great inventions, helping to protect skin safety. Professors from Harvard University, USA found that sunscreen can fight 3 common types of skin cancer:
Squamous cell cancer. Sunscreen’s ability to prevent this type of cancer can be up to 40%.
- Basal cell carcinoma;
- Melanoma cell cancer.
Thanks to sunscreen, the skin minimizes the risk of damage when exposed to the sun. You will have healthy, bright and youthful skin.
Who should wear sunscreen indoors?
According to dermatologists, everyone should wear sunscreen indoors and outdoors. Whether you are a man or a woman, this “protector” is indispensable. Familiar items such as sunscreen, hats… can’t block ultraviolet rays in the sun. Meanwhile, sunscreen helps protect your skin safely.
Those with skin that is easily caught in the sun, weak and sensitive skin… can’t be ignored. In particular, women who are new to the biological skin change method should apply sunscreen every day. However, children under 6 months of age should not use sunscreen.
What types of sunscreens are there?
There are many different types of sunscreens on the market today.
First, classification by use can be divided into 2 main categories:
- Specialized sunscreen for different skin types: normal skin, dry skin, sensitive skin, oily skin…
- Multi-purpose sunscreen: With this type, in addition to sun protection, the product also “integrates” other effects such as anti-aging, moisturizing, acne support …
In addition, a fairly familiar way of classifying sunscreens is based on ingredients:
- Physical sunscreen:
Physical sunscreens called Sunblocks will not penetrate the skin. Instead, it creates an artificial barrier, blocking and scattering the rays in the sun before it reaches the skin. Thus, the skin will be safe. The main ingredients usually have Titanium Dioxide, Zinc Oxide…
- Chemical sunscreens:
Chemical sunscreen, also known as Sunscreen. Its mechanism is to absorb ultraviolet rays and destroy them. The ingredients in chemical sunscreens are Sulisobenzone, Oxybenzone, Avobenzone…
How to choose the right sunscreen for you
Decoding the sun protection index of sunscreen
You will see some products that say SPF (Sun Protect Factor). This is a measure of a sunscreen’s ability to protect against UVB rays. The scale used ranges from 1-100, the higher the SPF number, the longer the UVB protection time. Currently, sunscreen has the lowest SPF of 15 with 15 minutes of sun protection, the highest is 100.
Sunscreen has a PA (Protect Grade of UVA) rating that measures the protection against UVA rays in sunlight. The PA index is represented by a (+) sign. The more PA products with the (+) sign, the higher the sun protection ability.
Sunscreen with PA + has about 50% UVA protection.
PA++ is about 60-70% resistant, PA +++ will effectively block about 80%. Highest PA++++ index with protection up to 90% of UVA rays.
According to dermatologists, you should choose sunscreen products that are broad-spectrum and suitable for your skin.
There are many types of sunscreen on the market today to meet the diverse needs of users. You can choose sunscreen spray, cream, gel … depending on your preferences.
What skin type do you have?
Depending on your skin type is dry, oily, acne-prone, combination skin, sensitive skin, etc., you should choose a sunscreen with appropriate ingredients.
For example, if your skin is too dry, you should use a sunscreen with added moisturizing capabilities. For women aged 30 and over, sunscreen with anti-aging ingredients is a suggestion… In case of sensitive skin, you should avoid products containing alcohol or strong detergents. Sunscreens that are rich in nutrients and do not cause irritation will be more suitable.
Time spent outdoors
If you are outdoors, exposed to the sun for a long time, such as swimming, jogging, etc., you should use a sunscreen with a high SPF and PA. Broad spectrum sunscreen is also a “candidate” for you. Sunscreen with an SPF of 30 or higher will be very effective. In addition, depending on the performance characteristics, you can choose the most effective waterproof sunscreen. Usually, there are types that stay under water without metamorphosis for about 40-80 minutes.
Instructions for using sunscreen correctly
You can spray sunscreen all over your body. Thus, the skin will be fully protected. In addition, areas such as the face, neck, hands, feet … all parts exposed to the sun also need to apply sunscreen.
The best time to apply sunscreen is to apply it 30 minutes before going outside. After about 2 hours, apply or spray the cream again. In particular, those who sweat a lot should keep this in mind.
Even when it’s cool, cloudy, and can’t see the sun, 80% of the ultraviolet radiation from the sun still affects the earth. For you, use sunscreen under all circumstances.
Depending on the needs of each person, you can take a different amount of sunscreen just enough. The amount of ice cream for adults will also be different from that of children.
Is sunscreen harmful to health?
Is Nano-particle sunscreen safe?
Currently, with modern production technology, many sunscreen products contain nanoparticles. So is this ingredient safe?
According to scientists, nanoparticles are often used in physical sunscreens. They are created through a microbiological process, breaking down larger particles for easier penetration into the skin. Thanks to that, when applying the cream, it penetrates quickly, does not cause greasy feeling, and clogs pores. Thereby, preventing the formation of acne, reducing the size of pores.
Research also shows that these nanoparticles do not penetrate the blood, so they are absolutely safe for human health. In summary, the nanoparticles do not cause harm to the user.
Dark skin using sunscreen is only harmful?
There are many people who think that only people with fair skin are susceptible to sunburn, so they need to use sunscreen. And in the case of dark skin, on the contrary, there is no problem. This is a completely wrong view. Ultraviolet rays in sunlight do not discriminate against anyone, skin type. It all invades and causes cell damage, even skin cancer.
Therefore, you should not be subjective if your skin is dark. The use of sunscreen not only protects the skin but also makes the skin healthier. If you want to whiten, you can choose a multi-purpose sunscreen. If you are afraid of using a cream that is clogged or has acne, you should choose a cream that is able to penetrate quickly. In addition, the daily skin care process ensures that the skin is thoroughly cleaned.
Do chemical sunscreens contain hormone-altering substances?
Common chemical sunscreen ingredients include: aminobenzoic acid, octisalate, oxybenzone, octocrylene, and avobenzone. In it, there are some rumors that oxybenzone disrupts hormones. This process can be understood as the substance that penetrates through the cell gills, hindering the body’s natural hormone production. However, there is no convincing evidence that oxybenzone is harmful to human health.
The above rumors appeared not by accident. One organization did an experiment: feeding guinea pigs directly food with oxybenzone for a long time. They then noticed that the mice had changes in hormone quality.
However, in 2017, a study published in the American Journal of Dermatology “vindicated” oxybenzone. Accordingly, scientists confirmed that a person must use sunscreen with oxybenzone continuously for 277 years to be affected.
In addition, oxybenzone also exists in everyday life: paints, plastics, hairspray, nail polish… This ingredient is completely harmless to human health in a certain dose. If you are not sure, you can choose other chemical sunscreens or physical sunscreens.
Which sunscreens should not be used?
First, you should find out what your skin type is. From there, choose the right sunscreen. Avoid causing unfortunate consequences. If your skin is too dry and you use sunscreen for oily skin, it will certainly affect the natural moisturizing film. Sensitive D using sunscreen with exfoliating properties is quite dangerous. Acne or oily skin when applying sunscreen with deep moisturizing ingredients, there is a risk of large pores, acne …
In addition, when buying sunscreen, you must choose products of clear origin. Absolutely, do not want to be cheap, but use products that may be imitations, fakes, and poor quality. As a result, the skin is allergic, damaged and may require hospital treatment. Do not be greedy for short-term benefits that affect your skin.
Some questions about wear sunscreen indoors
Do you need to wear sunscreen indoors when sitting in front of the computer?
Computers or electronic devices have quite a lot of radiation that affects the user’s health. Some studies show that sitting in front of a computer a lot will cause headaches, shoulder and neck pain, dermatological problems …
The amount of charge when using a computer causes the skin to absorb a large amount of dirt and bacteria. This condition causes the skin to become clogged with pores, dullness, acne, tan, wrinkles, aging. Many studies show that radiation from the computer damages the skin structure, changes collagen. As a result, the skin becomes loose, no longer firm. Therefore, it is necessary to use sunscreen when sitting in front of the computer. This is also a skin protection measure that should not be ignored.
Should I use sunscreen at home?
According to dermatologists, how you apply sunscreen has a great influence on the health of your skin.
Don’t think that you need to use sunscreen to avoid ultraviolet rays when you are outdoors. In fact, even indoors, or when it’s shady; UV rays are still active, causing damage to our skin. So should I use sunscreen at home?
Most people think that they only need to use sunscreen for their face and body every time they go out, when exposed to the sun. And when it’s indoors or it’s shady, don’t use it. However, this is a misconception. Because:
Ultraviolet rays will work all year round
According to statistics, in the cold season, UVB rays (which cause sunburn and skin cancer) are reduced.
But with UVA rays (the cause of aging and freckles, melasma) still work normally and nothing has changed compared to the rest of the seasons.
Therefore, even when it is cloudy, you still need sun protection for your skin.
UV rays have the ability to pass through glass doors and walls
Ultraviolet rays have the ability to penetrate glass, clouds, tree shadows or fog and hit the skin directly.
The blue light from the lights affects the skin when indoors
Indoor lights such as computer lights, phone lights, fluorescent lights… can still emit radiation from UV rays that can affect the skin. They can cause skin diseases such as erythema, dry pigmented skin, skin cancer, etc.
Whether outdoors or indoors, ultraviolet rays still “threaten” our skin. Therefore, to the question “Should I use sunscreen at home”, the answer is necessary, even very necessary!
Instructions on how to effectively block ultraviolet rays when wear sunscreen indoors
Use sunscreen (protective film) for windows
Ordinary glass doors can only block short – UVB rays, but do not completely block UVA rays.
Therefore people should use protective film (sunscreen) for windows to prevent ultraviolet rays from reaching the skin. Sunscreen panels can block 99.9% of ultraviolet rays.
Adjusting the seating position by the windows
For those who often sit near the window, whether it is closed or open, it is very easy to experience skin problems such as premature aging, sagging skin, wrinkles, dark spots … due to the influence of ultraviolet rays.
Therefore, adjust your sitting direction; If you want to open a window, move your seat slightly away from the window. And don’t forget to apply sunscreen regularly for optimal skin protection.
Use sunscreen regularly
It is very important to apply sunscreen to the skin regularly every day. As we all know, ultraviolet rays are active all the time and everywhere.
How to wear sunscreen indoors to bring the best effect
How many times a day should I apply sunscreen?
When exposed to the sun for many hours, the effectiveness of sunscreen will be reduced. Therefore, after a certain period of time, you need to reapply sunscreen for the best protection.
– Reapply every 2 hours. If exposed to direct sunlight.
Reapply the cream every 80 minutes. If participating in outdoor activities, sweat a lot. And you should choose a sunscreen with water-resistant features.
If you sit in your home/office but near a window or glass door, reapply sunscreen every 2 hours.
The best dose of sunscreen
According to dermatologists, the most standard dose of sunscreen is 2 milligrams per square centimeter of skin. Equivalent to 1 coin.
For spray sunscreen, you should spray back and forth into 4 layers of cream spread evenly on the skin.
And with different skin areas, the amount of sunscreen is also different. Specifically:
– Each arm and hand: 2 grams and the cream layer will be about 0.2cm thick.
– Back area: About 4 grams. That is 2 about 2 sides of the coin.
Shoulders: About 2 grams of sunscreen is enough.
– Leg area: 2 grams per side.
Pay attention to get the right dose for each part. Not too much or too little. If it is too much, it will easily make the skin secret. Easy to pour oil, causing acne. Too little is not effective enough to protect the skin.
Apply sunscreen before makeup and after moisturizing
To ensure the best sun protection for your skin, you should apply sunscreen before applying makeup. And after moisturizing. This is the last step in your skincare routine and before any makeup.
Sunscreen is like a shield that protects the skin. If you use skin care products after sunscreen, it is almost impossible to penetrate the skin to promote its effects.
Also used before makeup will prevent harmful chemicals in cosmetics from affecting the skin.
3 ways to reapply sunscreen not everyone knows
You already know the answer to the question “should you use sunscreen at home”. Then you also need to know how to reapply sunscreen. Keep the skin in a protected state.
Method 1: Remove makeup – Apply moisturizer – Apply sunscreen.
Method 2: Use cleansing toner – Apply sunscreen.
Method 3: Mineral spray – Apply sunscreen.
After this blog, you have got your own answer about “Should I Wear Sunscreen Indoors?”. Thank you for visiting heresreview, hopefully, readers have been provided with useful information and follow the website to update more information about beauty.
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