Chemical sunscreens, also known as UV absorbers, are a type of sunscreens that protect against harmful UV rays by absorbing them. Since the molecules of chemical sunscreens are absorbed by the skin, the process of absorbing UV rays occurs inside the skin and is removed by the body through metabolism.
Chemical sunscreen has a certain irritation to the skin, common chemical sunscreen ingredients are diphenyl ketone, salicylic acid ethyl hexyl ester and so on.
The ACTION MECHANISM THAT CHEMICAL BASKS IN BASKS IN IS TO FORM A ULTRAVIOLET RAY TO ENGULF BARRIER IN SKIN SURFACE WITH THE HELP OF OTHER FILM SEX MATERIAL, ABSORB ITS AND NEUTRALIZE, IN ORDER TO AVOID SHOOT SKIN INTERIOR.
Common chemical sunscreen ingredients are benzone (C13H10O), ethyl hexyl salicylate (C15H20O3), humoliate (C16H22O3), sinoxarate (C14H18O4), phenyl dibenzimidazole tetrafluate 2 (C20H12N4Na2O12S4), butylmethoxy dibenzoyl methane (C20H2)
2O3), methoxycinnamate ethyl hexyl ester (C18H26O3) and some group laboratory patent ingredients such as wheat filter, etc.
The ADVANTAGE THAT CHEMICAL BASKS IN BASKS IN IS QUALITY OF A MATERIAL LIGHT AND LIGHT DO NOT STICK GREASY, DAUB AFTER THE SKIN DOES NOT HAVE WEIGHT BEARING FEELING.
The disadvantage of chemical sunscreen is poor photostability, long time insolation, the need to fill repeatedly.
And if you choose a sunscreen that contains lead or mercury, long-term use can cause skin dependence and damage to skin cells and structures.
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