sunscreen-Chem-vs-Phy 恶心图，慎入慎入慎入。。。

dearmonetUID: 2616341

最近一直在找防晒，昨天下单了一个物理防晒，今天偶然看到一张物理防晒和化学防晒的对比。
不知道是否真的如此，我不专业，仅供大家参考哈。图片很不好看，误入的童鞋偶很抱歉哈

dearmonetUID: 2616341

lingli_xiaoaiUID: 172506

话说我没看明白什么意思。。

dearmonetUID: 2616341

先转一个东西
Physical sunscreens tend to be better tolerated by most skin types because the chemical filters used in chemical sunscreens can be irritating for many people. However, physical sunscreens tend to leave a white cast or white streaks after application and don’t offer as much UVA protection compared to chemical sunscreens. Physical sunscreens are also a bit thicker so they may be more difficult to apply. Since they each have their pros and cons, many of today's sunscreens contain both physical and chemical UV filters.


我觉得这个图的意思是物理防晒一般防晒效果比化学稍微好点，化学防晒好像是让皮肤首先吸收化学防晒成分，然后通过化学防晒成分吸收sun rays，以此达到防晒的作用。同时，物理防晒相对化学防晒也要稍微厚重一些，难推。化学防晒我在另外一个地方看到说，化学防晒的成分一般很容易通过尿液排出，所以防晒效果我觉得可能不是那么理想。
这个网站上有物理防晒和化学防晒的对比，总的来说，我觉得还是选择物理防晒好一点吧，毕竟相对安全。
不过，据说物理防晒会有点堵毛孔，所以要仔细卸妆。
http://www.skinacea.com/sunscree ... ical-sunscreen.html

dearmonetUID: 2616341

Sunscreens can be broken down into two types: physical and chemical. What kind are you using? Are you sure it’s the right one for you? Keep reading to learn about the differences between the two.

Physical sunscreens contain extremely fine particals of minerals such as zinc oxide, titanium dioxide and iron oxide that stay on the skin’s surface, creating a barrier that reflects the sun’s rays. Pros include its ability to keep skin cool, the protection is natural, and it’s unlikely to cause skin irritation because it doesn’t get absorbed. The con is that some people complain about is the heavy residue it can leave behind, but modern refining techniques are helping to prevent this in high-quality sunscreens.

Chemical sunscreens contain synthetic compounds like parsol, benzophenones and paba as active ingredients, and they absorb ultraviolet radiation that causes sunburn, damages DNA and can lead to skin cancer. Pros include its ability to defend the deeper layers of skin—including collagen fibers and other tissue—against the aging effects of UVA rays, and it prevents penetration by the UVB rays responsible for tanning and sunburn. Cons include irritation and allergic reactions in some people, as well as the tendency to break down quickly and generate free radicals.

katrina_hstUID: 2406111

。。。。。。。。。。。。。。。。。在写防晒的review的人飘过。。。。。。

Julia服部UID: 2624610

很多产品上面没写是物理还是化学防晒啊
要怎么分捏

这两天考试考得我~虚脱了

jiang08UID: 2391146

很多产品上面没写是物理还是化学防晒啊
要怎么分捏

这两天考试考得我~虚脱了
Julia服部 发表于 2011-4-19 15:29

ingredients:
物理: zinc oxide and titanium dioxide
化学: all others

lingli_xiaoaiUID: 172506

我觉得防晒要涂够分量才能防晒。。如果是物理防晒的话 如果质地比较厚。。一般人就不会想涂那么多。。最后跟没涂没啥区别。。
化学防晒如果质量比较清爽就可以多涂一点。。效果未必不比物理防晒差。。问题就在于 化学防晒要在出门前30分钟涂。。
不过华人上推荐了一个 zinc oxide 19%的防晒霜。。我用了一下发现还是很清爽的。。

lingli_xiaoaiUID: 172506

就是这个
http://www.luckyvitamin.com/p-30 ... urizer-30-spf-25-oz
DeVita - Natural Skin Care Solar Protective Moisturizer 30 SPF - 2.5 oz.100% Vegan and Paraben Free Natural Skin Care

官网上的

https://www2.devita.net/store/product.php?productid=17534

jiang08UID: 2391146

我觉得防晒要涂够分量才能防晒。。如果是物理防晒的话 如果质地比较厚。。一般人就不会想涂那么多。。最后跟没涂没啥区别。。
化学防晒如果质量比较清爽就可以多涂一点。。效果未必不比物理防晒差。。问题就在于 化 ...
lingli_xiaoai 发表于 2011-4-19 22:43

I WANNA BUY THAT! :handshake

lingli_xiaoaiUID: 172506

I WANNA BUY THAT! :handshake
jiang08 发表于 2011-4-19 22:59

买把 我觉得还可以。。。我还想把body也买了。。十几块钱比安耐晒之类的便宜好多啊。。
可惜要给邮费。。不过等我再多试验两天脸的。。
反正我现在身上也晒不到。。还在穿大衣。。

jiang08UID: 2391146

PURITAN'S PRIDE HAS IT TOO AND CHEAPER!

lingli_xiaoaiUID: 172506

PURITAN'S PRIDE HAS IT TOO AND CHEAPER!
jiang08 发表于 2011-4-19 23:12

没有把。。我看了shop by brand 没有这个牌子啊。

jiang08UID: 2391146

SORRY, MY BAD...
I MEANT VITACOST.COM
http://www.vitacost.com/Devita-S ... -Moisturizer-SPF-30