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What is the ideal amount of sunscreen in every part of the body?

What is the ideal amount of sunscreen in every part of the body?

Indispensable during any season, sunscreen needs to be applied correctly to ensure efficacy and prevent various problems, including premature aging, skin dryness, precancerous lesions and even even skin cancer.

To do this, you need to follow some important guidelines. According to the Brazilian Society of Dermatology (SBD), the most suitable Sun Protection Factor (SPF) for the Brazilian population is at least 30. This is a broader orientation and, therefore, consult the dermatologist so that the professional can analyze your skin type and determine the best FPS for your case is critical.

In addition, the product should protect against UVA and UVB radiation. "UVA radiation has a constant intensity throughout the year, reaching the skin in almost the same way during winter or summer. It penetrates deeply into the skin, being the main responsible for photoaging and also influences the onset of cancer," says the dermatologist Daniel Dziabas, SBD member of the SBD

"UVB rays penetrate the skin superficially and cause sunburns, and are the main cause of cell changes that predispose to skin cancer. UVA and UVB protection, "says Daniel.

He further explains that UVB radiation has an increased incidence during the summer, especially between 10 and 16 hours, when the lightning intensity reaches its maximum.

Even outside these times , it is essential to use the sunscreen with SPF 30, at least, remember the doctor.

"People should also bet on the use of physical protections, such as: hats with wide flaps, caps, sunglasses and special clothes that have a protective factor in the fabric. "

Correct use

The sunscreen should be applied every day, even when it is cloudy, at least 30 minutes before

The standard reapplication should be done every 3 hours, but this interval will decrease (every 2 hours) in cases of excessive sweating, prolonged sun exposure or after coming out of the water.

The face requires a specific product: "The skin of the face, in general, is more oily than that of the body. Therefore, to avoid the appearance of blackheads and pimples, the ideal is to opt for an oil-free or gel-free sunscreen, "explains dermatologist Jucele Bettin of the FEM Clinic in São Paulo and member of SBD. The dermatologist also emphasizes that uniformity in the application of the product is fundamental: "The best word to describe a good application is uniformity. The application should also be generous throughout the body including hands, feet and ears. "

How much to apply?

In addition to these recommendations, the amount of sunscreen that you should apply will also be an important point in product efficiency. Even if it is difficult to pay attention to the measurements during moments of relaxation in the pool or on the beach, for example, this care can not be overlooked.

According to the Brazilian Society of Dermatology, the amount of sunscreen indicated for each part of the body is:

one teaspoon of sunscreen on face, neck and head

  • one teaspoon of protector for the front of the trunk and another for the back
  • one spoon of tea for each arm
  • one teaspoon for the front of each leg and another for the back of each leg.
  • Dermatologist Daniel Dziabas emphasizes the importance of spreading the protector well: "People can follow these measures at. Remembering that the product should be spread evenly throughout the body without leaving accumulations, "explains the doctor.


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