Take care of the skin due to the aggression of the sun

Marta Coll

24 in July, 2019

Tips to take care of the skin and protect it from the sun, choosing the most suitable photoprotector and taking into account some preventative measures

As every year comes the time to enjoy outdoor activities and therefore increase our exposure to the sun. On the one hand, doctors recommend exposing us to the sun to synthesize Vitamin D, necessary for good bone health and to improve our immune system, and on the other, alert us to the direct relationship between exposure to the sun and skin cancer.

What is clear is that in recent years there has been an increase in the incidence of skin cancer and that sun protection is essential, considering that the skin has memory and that the sun we accumulate along of life, we can invoice over time.

What is the best way to protect the skin?

Of the radiation that emits the sun, there are 2 types that we must take into account: ultraviolet type B (UVB), responsible for erythema and sun-burning, and ultraviolet type A (UVA), responsible for skin aging.

To protect us from these radiations, the skin has natural defense mechanisms, the melanocytes, which absorb solar radiation and make us sip. Depending on our response to the sun, there is 6 different phototypes: those that are burned often or often (I, II), those that are rarely burned (III, IV) and those that are not usually burn (V, VI).

People with more predisposition to burns should be protected in an exhaustive way from the sun, but this does not mean that the other most resistant phototypes do not have to. Protection in the summer, if we want to prevent skin cancer, it must be for everyone.

Dermatologists now recommend that everyone use one 50 + photoprotector (the largest FPS available), which in theory protects us from 98% of UVB radiation.

There are 2 types of solar protectors: those that have chemical (organic) filters and those that have them (inorganic). The chemicals absorb UVA and UVB radiation and the physicists reflect them. In case of allergies it is recommended to use physical filters, which, despite being more anti-esthetic (they are whiter and more moist), are less likely to cause sensitization.

It is important to apply the sufficient amount. According to the European Commission 2 mg of product must be applied per cm & supXUMUM; Of cutaneous surface, that in an adult of average size would be equivalent to 2 spoonful soperes by application in all the body.

You must also renew your application every 2-3 hours and always after bathing. Water resistant photoprotectors lose their effectiveness with the bath and sweat.

And remember that you must protect all areas exposed to the sun: nose, ears, nape ... and for the lips use a protective lipstick.

Previously it was recommended to apply sun cream 20-30 minutes before exposure to the sun, but according to the Journal of the European Academy of Dermatology, it seems unnecessary, that photoprotectors are practically effective from the moment of its application.


Prevention tips

However, keep in mind that sunscreen is only a complement to sun protection. If we want to be well protected, we must follow a series of preventive measures:

  • We have to use it sunglasses With homologated crystals, hats, umbrellas and opaque clothes, in case there are many hours exposed to the sun.
  • Avoid doing activities At the peak hours, between 12 and 16 h. Do not forget that we can burn it by doing any outdoor activity: cycling, walking, doing sports, working in the garden ...
  • Make one progressive solar exposure, especially the first days of summer.
  • The cloudy days You also have to protect yourself from the sun, because the clouds only slow down the 10% of UV.
  • When we carry out activities on certain surfaces, it should be taken into account that UV reflection increases : the snow (80%), the sand (25%), the water (20%) and the lawn (15-25%), and therefore we must stretch the protection measures.
  • To the activities of mountain We must keep in mind that the altitude also increases the intensity of the radiation (4% every 300 meters).
  • We have to drink plenty of water to avoid dehydration. To monitor especially the elderly because their sensation of thirst is attenuated, and to the children, who have a greater need for water and their thermoregulation mechanisms are immature.
  • Do not expose to direct sunlight to children minors of 3 years And in the hours of less sun, always protect them with 50 + photoprotectors.
  • Avoid sun exposure if taken photosensitive medication.
  • If we notice that one catch the stain change shape, size or color, consult the dermatologist.

If we want to enjoy a good summer outdoors, we protect our skin from the sun!



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the author

Marta Coll

Head of the Health Department of the Claror Marítim

Graduate in Medicine and Surgery from the UB, Specialist in Physical Education and Sports Medicine from the UB Diploma in Nutrition and Dietetics at the Hospital Clínic de Barcelona, ​​Diploma in Homeopathic Therapy by the CEDH, Diploma in extra-hospital medical emergencies for the ACMI

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