Sunscreen x acne: Clarify the main myths and truths
As much as we talk about the importance of sunscreen in preventing diseases like skin cancer and aesthetic damages like spots and wrinkles, there are people with acne who are a little afraid to use it. Their biggest fear is that the product will worsen the oiliness, blemishes and pimples that the disease causes. P>
But no one is freed from the guidance of the Brazilian Society of Dermatology (SBD) to use a sunscreen with a Protection Factor Solar (FPS) at least 30 to block UVB rays and protect against UVA rays, regardless of the condition of the skin.
"The sun causes acute and chronic damage to the skin. accumulated defects that may later develop into wrinkles, blemishes, sagging and a skin cancer, which is the primary concern, "explains the biomedical aesthete Natalie Lucasech. "Sunscreen needs to be used every day, even when it's cold, overcast or raining, because sun and radiation are always there, even if they do not show up."
Next, Natalie and dermatologist Anelise Ghideti AE Skin Center of São Paulo, clarify the six main questions about the relationship between acne and sunscreens, indicating what is myth and what is true.
Sunscreen is capable of causing acne in those who do not have it
Sunscreen does not increase oiliness or cause acne, as it does not have assets that can accelerate the production of sebaceous glands or cause acne. Any sunscreen can worsen existing acne
Only cream protectors, because they contain a greater amount of oil, may have an acnegenic effect. Products in other formats do not interfere with the condition of acne. This belief comes from the past and occurs, according to Anelise, because ancient sunscreens had a very heavy texture and eventually left the skin more oily, blocking the exit of the sebaceous glands and worsening acne. Who has acne or oily skin you need to use specific types of sunscreen
"Those who have these characteristics should seek the dermatologist, who will indicate the most suitable product for their skin type. prevention of acne, "says Anelise. In addition, Natalie points out that oil-free, gel, cream gel and fluid form protectors are best suited for oily skin, and that actives like polymeric silicas are allied in controlling gloss and oiliness. Exposing the skin the sun without sunscreen helps to "dry" the acne and improves the skin
Sun exposure without protector is dangerous and tends to dry the skin, promoting only a false sensation of momentary improvement. Anelise alerts to the fact that ultraviolet radiation decreases skin immunity, which can later cause a greater production of sebum to recover the lost hydration and consequent worsening of acne lesions. "This type of exposure can also worsen the formation of spots in the sites of these lesions, leading to the so-called post-inflammatory hyperchromia," notes the dermatologist.
Sunscreen can be an ally in improving skin with acne TRUTH .
Oil free sunscreens usually contain substances that help control skin oils throughout the day, which is beneficial for those who have acne. In addition, acne treatments usually leave the skin sensitive, because they are made with medicines and dermocosmetics based on some type of acid (retinoic, azelaic, salicylic, glycolic). "The use of these unprotected products can cause burns and severe blemishes on the skin, and sunscreen is essential to protect it," says Natalie.Those who have acne can spend less sunscreen and reapply it at greater intervals
MYTH. With acne or without acne, the amount of sunscreen indicated in the SBD Brazilian Consensus of Photoprotection should be applied:
1 teaspoon for face, head and neck
1 teaspoon for right arm and forearm 1 teaspoon for left arm and forearm
- 2 teaspoons for the torso (1 forward and 1 for the back)
- 2 teaspoons for the right thigh and leg (1 for the front and 1 for the back)
- 2 teaspoons for the left thigh and leg (1 for the part of the front and back 1)
- Reapplications should be made every two hours or at shorter intervals if the person dips into the sea or pool or exhibits excessive sweating.
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