Jorge Soto, dermatologist, and director of the Piel Sana Foundation emphasizes a figure: two milligrams per square centimeter of skin is the amount of product recommended to protect us. A decisive measure for compliance with the sun protection index. In addition, it is essential to take the time necessary to do so: “between one and two minutes,” he says. To ensure that we use the right amount, “it is important that it be given twice since more product is being applied”.
We must not leave out, under any circumstances, the physical protection, that is, the clothes we use. According to the report of 50 doubts about the sun, from the AEDV, its protection is measured in UPF (in English, Ultraviolet Protection Factor) and offers interesting information. For example, that cotton shirts protect 12 UPF – less than a sunscreen of 15 SPF – while when clothes are wet, it does not reach 8 UPF. More “tight” fabrics, such as wool or polyester, would protect more than “cotton, linen or acetate”.
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Why it is important to use sunscreen?
The sun is beneficial for our skin, but too much exposure can be harmful. To protect ourselves from the harmful effects of UVA rays, it is essential to use the best sunscreen creams to take care of our skin.
It is not necessary to have white or sensitive skin to protect us from the sun, since whatever your type of skin, this can be damaged if you do not use a good sunscreen. To protect your skin properly you must use a product that has at least a sun protection factor 15 and takes care of your exposure to the sun.
There are different factors of sun protection, which are what indicate the time that someone can be in exposure to the sun without being burned by radiation. There are medium protection sun creams, ranging from SPF 15 to 25; of high protection, ranging from SPF 30 to 50; and those of very high protection, of more than SPF 50.
The OCU has analyzed 15 SPF 30 products to determine which are the best sunscreen creams of this medium factor, one of the most used. To classify them, the effectiveness of the sun protection factor, the protection against UVA rays, the composition and other aspects such as its application or texture have been evaluated.
Why should we protect ourselves from the sun?
Whether you go to the park, to the mountain, to the beach or on the way to work, the sun will always be a companion on these clear summer days.
Therefore, the best thing you can do to enjoy the sun, without damaging your skin, is to protect it as much as possible. The reason is simple, the solar radiation generates progressive wear on our skin, producing premature aging, spots, allergic reactions and, in case of extreme exposure, skin cancer.
The latter is the most serious case and, in Spain alone, approximately 74,000 cases of skin cancer and approximately 4,000 cases of melanoma are estimated per year and all these are caused by the harmful effects of the sun. Without a doubt, it is a situation that we do not want to live, so the best way to prevent it is to protect us from the sun.
To do this, you can avoid excessive exposure to the sun without sunscreen, either by using an umbrella or dark clothing and, in any case, use a sunscreen with a good protection factor.
What are the types of sunscreen?
Sunscreens or sunscreens are divided into types according to their components and methods of action. The difference between sunscreen and sunscreen is based on the chemical compounds found in them. For that reason, I wanted to detail them one by one so you can better appreciate their differences.
These are composed of substances such as Oxybenzone, Octinoxate, and Homosalate, which are responsible for absorbing solar radiation to convert it into non-harmful radiation. To do this, they penetrate the deeper layers of the skin and produce the photochemical action from there.
Despite their effectiveness, these are considered as protectors that put the health of the skin at risk, since in skins with skin sensitivity they can provoke allergic reactions as well as endocrine problems that, in the long term, can cause a cutaneous degeneration.
This type of filters is composed of mineral powders, such as titanium dioxide and zinc oxide, which do not produce secondary effects on skin health. Both minerals are natural compounds that do not penetrate the skin and are responsible for reflecting the sun’s rays from the outermost layer of the skin.
They are usually thick creams that are applied to the body and leave a white layer on the skin, during the first minutes of application. Its level of protection, in addition to being high, does not cause skin damage, which is why they are highly recommended.
Then, a sun cream that includes some of these ingredients, as well as zinc oxide or titanium dioxide, can be considered as an ecological solar cream and will not pose any risk to the health of your skin. as olive oil or sesame oil, as well as shea butter, aloe vera and avocado.
Factors to consider before buying a sunscreen
If you have decided to protect your skin and buy a sun cream, there are some factors that you should take into account.
Type of skin
Not all skins require the same level of protection, so you must first evaluate what type of skin you have.
- If you have clear and sensitive skin, the most recommended is that you use a powerful blocker, with a thick texture and a sun protection factor (SPF) greater than 30.
- For brown and less sensitive skin, any type of filter with an SPF greater than 15 can be applied.