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More You Need to Know about Sunblock

As we all know, ultraviolet can synthesis vitamin D but it is also able to cause skin damage even cancer. So, how to choose an efficient and suitable sunblock product for yourself, and what you should pay attention when you select sunblock products? Here is something you need to know.


800-SS-0706-sunscreens

Board Spectrum & SPF

Board Spectrum means the ability to prevent from UVA and UVB which are two major damaged ray to our skin. UVA stands for the ray whose spectrum is between 320-400nm and is able to penetrate deep into skin and cause senility, wrinkles even cancer. UVB stands for the ray whose spectrum is between 280-315 and is harm to your skin surface and cause sunburn. Thus, pay attention on the product if there is BS on it, for it is the basic element for sun blocking.
What is SPF? SPF stands for Sun Protection Factor. That means the time which can prevent your skin from turning red. SPF is a standard for the prevention from UVB. And the SPF index is okay for most of users when it labels between 15-50.

Active Ingredients

Active ingredients are considered to be the important part to a sunblock product. In terms of active ingredients, we need to mention physical sun block and chemical sunscreen at first. Physical sun block works though setting a shield on skin to reflect the rays, while chemical sunscreen works by chemical reaction with rays to decline or eliminate the damage of ultraviolet. Nevertheless, most skin doctor recommend to use physical sunblock products, because chemical sunscreen is likely to cause allergy and other skin damages. And the most active ingredients of physical sun block are Zinc Oxide and Titanium Dioxide.
However, there is few good products of physical sun block. So, we should have a basic knowledge about chemical sunscreen. Oxybenzone is a controversial ingredient though it is legal. It is said that it can mimic estrogen, which may lead to endometriosis. Nonetheless, there are some other active ingredients. The active ingredients for anti-UVA include: Avobenzone, Mexoryl SX, Octocrylene, Ensulizole, etc. Anti-UVB ingredients include: Homosalate, Octinoxate, Octisalate, Octocrylene, ect.


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