Some sunscreens do not block the sun’s rays that cause skin cancer and photoaging – you can determine the degree of protection by labeling it. Vera Voronina, a dermatologist at the Rassvet clinic, told socialbites.ca about this.
Numerous studies have proven that solar radiation accelerates skin aging, contributes to the appearance of age spots and wrinkles. This phenomenon is called photoaging. In addition, sun exposure increases the risk of various types of skin cancer.
“The SPF label means that the product protects against type B rays that cause redness, burning, and other sunburn symptoms. They penetrate only the surface layer of the skin and are therefore less dangerous than type A rays. The latter makes the main contributor to DNA damage of skin cells resulting in photoaging and skin cancer. Means from type A rays, which can penetrate into the deeper layers of the skin, are labeled “for protection against a broad spectrum of radiation,” Voronina told socialbites.ca.
Dermatologist, you can also see the designation as asterisks, where 5 stars indicate maximum protection, or PA +, where the degree of protection is indicated by the plus number (maximum of four possible).
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