What are the ingredients of sunscreen

Sunscreen inside the composition is relatively complex, usually we choose sunscreen, are visually through the SPF value to show its sun protection effect later purchase, then the sunscreen in the end which components have sunscreen effect?

Sun protection on behalf of zinc oxide and titanium oxide

The main reason why physical sunscreen works is that physical sunscreens can block and reflect UV rays. This provides protection. Zinc oxide is not only effective in blocking UV rays, but also has a calming and anti-inflammatory effect, which is a very good ingredient for sensitive skin and acne-prone skin. Moreover, physical sunscreens do not easily clog pores and can effectively reduce the burden on the skin. In addition, pure physical sunscreen products generally have some moisturizing effect. This is also determined by the ingredients of the product. Killing power: Although physical sunscreens are good for sensitive skin, because the only common physical sunscreen ingredients are zinc oxide and titanium oxide, these two ingredients used in concert, can protect to about 380nm UV. Although it is also considered broad-spectrum sunscreen, but because the two sunscreens are granular, there may be a certain amount of unevenness when applied, resulting in sun protection with a certain amount of dead space.

Sunscreen representative OMC (cinnamonate) and avobenzone and methotrexate ring

Ingredient advantages: The biggest advantage of chemical sunscreens over physical sunscreens is that they are easier to apply evenly and do not produce white marks, blotchy faces, and other problems. At the same time, a variety of chemical sunscreens can work synergistically with each other to protect the skin from harmful UV rays in the full spectrum. OMC is the most common UVB protection agent nowadays. Avobenzone is the more common chemical sunscreen for UVA protection. And methotrexate ring is one of the very best protectors at present. For UVA can be full wave protection. Killing power: Chemical sunscreen is not easy to dead spot, but may aggravate the burden of the skin. Therefore, most sunscreen manufacturers use various blocking methods to reduce the permeability of chemical sunscreens. In addition, chemical sunscreens may cause clogging of pores, so you must remember to remove your makeup dutifully every night after using a sunscreen that contains chemical sunscreens especially a high SPF waterproof and sweatproof sunscreen. To avoid skin problems. At the same time, some chemical sunscreens are not very stable, such as Avobenzone this component, easy to decompose, many manufacturers have adopted certain stabilization techniques to reduce its decomposition.

Representative ingredients titanium oxide, zinc oxide + chemical sunscreen

Advantages: these products are more common in the Japanese brand sunscreen, in the use of the process, there is a good spread, easy to spread evenly, to make up for the physical sunscreen protection dead ends and easy to appear "face" deficiencies, but also not like pure chemical sunscreen too greasy. The actual fact is that you will be able to get a lot more than just a few of these. In addition, some brands in order to pursue the use of freshness, deliberately added a higher concentration of alcohol, allergic to alcohol in the process of buying MM must look carefully at the product's ingredients list, if the alcohol content is very close to the front, we must consider carefully.

Warm tips

If it is rainy, not to go to the beach, with SPF25/PA ﹢ sunscreen is enough; but if you go to the beach to play, the sun is very sunny, even if you do not swim, you must also use SPF30/PA ﹢ sunscreen; if you swim in the sea, the sunscreen should be used to the highest level, that is, SPF50/PA ﹢.