Difference between Sunscreen and Sunblock – The vast majority of people like to sunbathe.
However, it is necessary to do it responsibly and without excesses, since, otherwise, the damage that its rays cause to the skin are remarkable and even dangerous.
Every time a person suns themselves without adequate protection, collagen and elastin levels decrease. The skin loses firmness, fills with wrinkles, becomes rough and remains without a possibility of recovering.
If you continue with this practice you can even, over time, develop skin cancer. For this reason, protection is essential.
However, when we go to commercial establishments in order to acquire a product that protects us from the sun we find sunscreens and sunscreens and we also observe the acronym UVA and UVB.
In this sense, the following questions arise: What is the difference between blockers and protectors? What do UVA and UVB mean? How much should be applied and where?
UVA and UVB rays What are they?
Both are ultraviolet rays emitted by the sun. UVA enters the skin and causes wrinkles; You can go through the windows and your clothes. They are responsible for damaging collagen and elastin, which causes the loss of elasticity and firmness of the skin.
They are also the ones that stimulate the production of the melanin pigment – in other words, the one responsible for your tan. UVB rays affect the epidermis, which is the outermost layer of your skin and is the main cause of skin cancer.
What is the difference between sunscreen and sunblock?
Broadly speaking, a sunscreen is chemical and a sunblock is physical. The protectors absorb and reflect ultraviolet radiation; It takes about 30 minutes to be absorbed through the skin (that’s why you need to apply it in advance to really work).
In contrast, sunscreens are made of zinc oxide or titanium, to be able to reflect the rays and prevent them from reaching your skin.
How much sunscreen should be used?
All you can! You should see how he leaves a thin film before he absorbs it. According to experts, you should cover all your skin. If you store it in a cool and dry place, it will last around 3 years. But if that time passes and you still have, it’s because you have not applied enough!
How often should it be reapplied?
Every couple of hours, even on cloudy days. The exception is if you do activities that make you sweat or if you are swimming. In those cases, reapply more often.
Besides the face, what other parts of the body should you cover?
Many people neglect the neck and neck area, even though the skin in this area is very thin and fragile. The back of the hands should also be protected. because, without a doubt, the first spots of age will appear there,