![[Cosmetic Ingredients] Chemical Sunscreens - Introduction to Sunscreen Ingredients 2](http://i.bosscdn.com/blog/25/f2/0j/01WatEfMhoFTVi.jpg)
As the weather gets hotter, the heat of the topic of sunscreen remains high. Relatively speaking, physical sunscreens are safer than chemical sunscreens, but physical sunscreens are currently more effective sunscreens because of the dead ends of pure physical sunscreens in protecting UVA. This is its inevitable weakness. This time introduce the chemical sunscreen.
1,Octylmethoxy Cinnamate referred to as OMC
Other writing: Octinoxate, Octyl Methoxycinnamate, Ethylhexyl methoxycinnamate, 2-Ethylhexyl 4-methoxycinnamate, 2-Ethylhexyl-p-methoxycinnamate, Parsol MCX, Escalol 557
Chinese name: cinnamic acid salt, 2-ethylhexyl 4-methoxycinnamate, octyl methoxycinnamate, 2-hydroxy-4-methoxy benzophenone, methoxycinnamic acid ethyl ester Hexyl ester
Molecular weight: 290
Cas No: 5466-77-3
Acne
Irritant
source
0
0
Sage Advice
In the chemical sunscreen industry, OMC is famous, it is currently one of the most widely used chemical sunscreens, UV absorbers (note not reflectors), the protection of the band between about 290-315 (UVB wavelength is 280-320nm) Therefore, it is a UVB protection agent and it is also a widely used chemical sunscreen ingredient throughout the world. The irritatingness is small, but things are good, but the Department of Health limits its use concentration to no more than 10%.
2, Octocrylene referred to as OCT
Other writing: 2-ethylhexyl-2-cyano-3,3-diphenyl acrylate
Chinese name: Oxycurine, Otoquine, Octyl cydoacrylate This is an oil-soluble UVB absorber that blocks UVB 250-360 and some UVA (high concentration required) for newer sunscreens Ingredients, risk index 2/5 (the higher the better).
Mentioned oil solubility, we should all know that waterproof sunscreen, will use oil-soluble ingredients to prevent shedding, such as Benzophenone-3 (Benzophenone-3) is oil-soluble, Benzophenone-4 (Benzophenone-4) It is water soluble. Whether a sunscreen is water-soluble or oil-soluble is directly related to how to prescribe the medicine when it is clean. For example, if a sunscreen is waterproof, it is difficult to wash off with a normal cleansing product. It is necessary to use a make-up remover.
To buy something, never trust the eloquence of a salesman, believe in yourself, or believe in facts. This is the safest thing.
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