Analyze 11 of the most commonly used sunscreen terms

●PA: A standard for marking sun protection against UVA. The domestic PA value is mainly divided into three levels, namely +, ++, +++. The more the + sign, the stronger the defense. For the yellow race, ++ is a good choice.

●UVA: indicates long-wave ultraviolet rays. If you directly irradiate long-wave UV, the skin responds

It is more rapid and direct browning without causing inflammation of the erythema, that is, it is easy to tan and not sunburn.

●UVB: indicates medium-wave ultraviolet rays. After medium-wave ultraviolet radiation, skin cells are easily damaged by the photochemical reaction, resulting in injury, resulting in erythema inflammation and sunburn.

● Non-comedogenic: It means that the product does not cause acne, and it is suitable for people who are prone to acne with oil.

●Waterproof: It means that the sunscreen can ensure the sunscreen effect within 80 minutes after launching.

●Water resistant: It means that the sunscreen can ensure the sunscreen effect within 40 minutes after launching.

● Sweat resistant: a sunscreen product with anti-sweat effect.

● Hypoallergenic: a low sensitivity product. Indicates that the product is suitable for sensitive skin and children.

● OilFree: A refreshing sunscreen that is free of oils and fats.

● KPF: The sun protection index for hair is divided into 10 levels.