2019/7/18  
英文 English 
Hack debunked: FDA says not to use toothpaste to fight acne (2019/07/11)

Acne can strike the best of us. A home remedy that’s making the rounds online is applying a dab of toothpaste to banish blemishes overnight. But the Food and Drug Administration has issued a clear warning. Toothpaste is not only ineffectual at targeting the bacteria responsible for acne. It’s also an irritant that can make a bad case of pimples even worse.

It’s a beauty hack popularized by bloggers. Wherever a pimple has appeared, directly apply a dab of toothpaste. Dermatologists say not so fast, because the cure could be worse than the disease.

Huang Chao-yu
Dermatologist
If you don’t stop in time or get medical treatment, you’ll start to see blisters. That is, because the skin has become too inflamed, blisters form. That leads to wounds, which are referred to as ulcers.

The FDA says that many types of toothpaste contain triclosan, which is advertised as an antibacterial. It is this agent that’s given rise to the home remedy. Doctors say there are more potent ways to combat zits.

Huang Chao-yu
Dermatologist
During the inflammation phase, when the acne is developing, the first-line therapy is an anti-inflammatory drug that targets the sebaceous glands and adjusts cornification. That would be Vitamin A acid. In severe cases, you might consider an oral form of Vitamin A acid or an oral antibiotic that curbs the proliferation of the acne bacteria.

The FDA says for that for best results against acne, find a dermatologist and skip the home remedies.

中文 Chinese  
青春痘塗牙膏可以消除? 食藥署闢謠

坊間流傳,牙膏可用來塗抹,對抗青春痘,許多網美也拍影片分享心得,讓不少人信以為真紛紛仿效。但食藥署闢謠,牙膏不只抗菌成份不夠,要是塗太多,反而可能刺激皮膚,導致發炎更嚴重。

網路許多影片示範,在痘痘冒出來的地方,直接拿牙膏塗抹,不過醫師說恐怕治療不成,先發炎紅腫。

[[皮膚科醫師 黃昭瑜]]
“如果說沒有及時去停止使用或是就診的話,接下來就會出現一些水泡,就是皮膚因為發炎太厲害,就有水泡形成,那再接下去就會開始有一些傷口的形成,就是所謂的潰瘍。”

食藥署闢謠,指出牙膏主成分含有三氯沙,標榜抗菌、殺菌效果,因此造成誤會。醫師指出,一般抗痘的方式有哪些。

[[醫院皮膚科醫師 黃昭瑜]]
“尤其是在急性期,在長這些痤瘡的時候,第一線其實是要抗發炎,那針對這個皮脂腺跟角化的調整的話,這方面就會用一些A酸,那如果比較嚴重的時候,才會考慮用口服的A酸,或是說口服的抗生素去減低整個痤瘡桿菌的增生。”

食藥署提醒,民眾想對付痘痘,最好找皮膚科醫師,切勿相信偏方。
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