呵呵，这篇是凑数的。不过几个网友谈到这个问题，我在这方面有一些体会，就说两句。
贴结尾附的是保拉阿姨（Paula Begoun, 《美容圣经》作者，一个考据癖很足的人~~~）写的意见和一些信息。总的来说，她对护肤品中添加的香氛深痛恶觉，认为这些易挥发的成分（包括合成香氛和植物精油）很容易引起皮肤的不良反应。
我知道有些人用香味很重的护肤品好象也没有什么问题，但皮肤敏感的人就要特别小心了，这一点在我自己身上有过几次被毁容的教训。有意思的是，我家的宝宝刚出生的时候，我给他用强生的宝宝润肤露，虽然闻上去香喷喷的心里有些疑惑，但想这是专门给婴儿用的，应该没问题吧。结果宝宝身上也起了过敏反应（长小红疙瘩）。后来他的儿科医生告诉我，有这个问题的婴儿不是少数，很可能就是润肤露里香氛引起的！给他用了医生推荐的一款没有气味的润肤露以后就没再出现这个问题了。
J问洗手香皂会不会有问题，我自己的感觉是，除非是皮肤特别敏感的人，问题大概不大。一来手上的皮肤一般比较厚没那么敏感，二来香皂大部分都洗掉，残留在手上香氛也比较快就挥发掉了。但涂在脸上的就要很谨慎。
Fragrance and Great Skin Care Don't Mix by Paula Begoun
We are all attracted to a pleasing fragrance. In fact, the first thing most every woman does when testing just about any skin-care product is smell it. As nice as it is to have a product with a wonderful aroma, it just doesn't make for good skin care. Whether the fragrance in the product is natural or synthetic, it is almost always a problem for skin.
How Skin Reacts to Fragrance
The way most fragrance ingredients impart scent is through a volatile reaction, which almost always causes irritation and some amount of inflammation. Research has established that fragrances in skin-care products are among the most common cause of sensitizing and allergic reactions.
You might be thinking, well my skin doesn't look irritated or inflamed so the fragrance must not be a problem. In reality, skin on the surface often keeps the fact that it's being irritated a secret with no reaction at all. Below the surface, irritating ingredients can cause collagen to breakdown, get in the way of skin’s ability to fight environmental damage, and hamper skin's ability to heal. All of this can be taking place in the lower layers of skin without any obvious signs on the surface! The irritant reaction you don't see or feel is nonetheless hurting your skin's ability to reduce wrinkles, firm skin, or look younger!
For those with sensitive skin, especially when the problem is rosacea or acne, fragrance can be seriously irritating and that will show up on the surface. Fragrance of any kind (including natural fragrant oils) should be avoided at all costs.
How Can Your Nose Know?
Unfortunately, it can't. Some ingredients have a pleasant fragrance but cause no irritation and are great for skin. Other times, the product may have no aroma because the fragrance is included to mask the odor of the real skin-care ingredients, which aren't necessarily pleasant
Many beneficial skin-care ingredients (antioxidants, for example) have a natural fragrance, and some of them even smell great! Distinguishing potent antioxidants (fighters of free radicals and skin aging) from those that are simply added to make you "shop with your nose" is not easy. Like anything in skin care, the basic information is on the ingredient label, but because those ingredients read like a college chemistry course they are impossible to decipher. The Paula's Choice Team can help you decipher what those words mean!
Frequently used fragrance ingredients to avoid are (the names in parentheses are how the ingredient's name will appear on the product):
* Fragrance
* Parfum/Parfume
* Linalool
* Citronellol
* Cinnamal
* Limonene
* Geraniol
* Eugenol
* Lavender oil (Lavandula angustifolia)
* Rose flower extract (Rosa damascene)
* Bergamot oil (Citrus bergamia)
* Ylang-ylang oil (Canaga odorata)
* Lemon (Citrus limon)
* Lime (Citrus aurantifolia or Citrus medica)
* Orange (Citrus sinensis)
* Tangerine (Citrus tangerine)
* Peppermint (Mentha piperita)
* Spearmint (Mentha spicata)
* Menthol
* Cinnamon (Cinnamomum)
Of course there are lots more, but this is a good overview to help you start being aware of what you are putting on your face that isn't helping your skin be the best it can be.
What about Natural or Organic Products?
Products labeled as being natural or organic are not automatically better for your skin. There are lots of natural ingredients that are problematic for your skin and many of those are fragrances.
For fragrance-free shopping, The Paula's Choice Team recommends starting with the following brands:
* AlphaHydrox
* Boots (Expert Line)
* CeraVe
* Paula's Choice
* Cetaphil 这个是大夫推荐给我家宝宝用的，很滋润，比较厚重
* Clinique 这是我自己喜欢的一个牌子
* Dr. Dennis Gross Skincare
* Free & Clear
* MD Formulations
* Peter Thomas Roth
* SkinCeuticals
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