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Effects
The actual effects of collagen supplements are debatable. There are few studies on the effects of collagen supplements in easing conditions such as osteoarthritis. Collagen creams may moisturize, but they don't actually provide extra collagen to the body, as the collagen molecule is too large to be absorbed by the skin. The one collagen treatment that does have a very noticeable effect is collagen injection, which does plump out skin (although not on a permanent basis; effects can last up to 12 weeks).
Side Effects
The risks of side effects vary, depending on what kind of collagen treatment you receive. Collagen creams will probably do the most harm to your wallet, not your face. Oral collagen supplements mainly pose a danger if you have food sensitivities. Most brands are made from collagens derived from cow or chicken products. Collagen injections can have some side effects. Some people have allergic reactions to an injection (a test is usually done beforehand to determine sensitivity). People with autoimmune disorders (such as herpes simplex) can expect a flare-up as the body reacts to the foreign substance. The collagen can also migrate, giving the face a puffy or lopsided look.
Warning
If you'd like to try oral collagen supplements, be aware that the supplement industry is not regulated--so it's hard to know the potency of the collagen you're taking. Be sure to tell your doctor that you're trying collagen supplements. If you'd like to try collagen in a dietary form, you can try eating gelatin (otherwise known as Jell-o). It's basically pure collagen. If you're thinking of getting collagen injections, consider the risks as compared to other cosmetic wrinkle-reducing procedures, such as Botox and fellow skin injection Restylane. |
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发表于 2010-3-1 20:46
楼主
我说呢，本来是想给朋友买的，看大家都在用， 我也心痒痒呢