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  <url><loc>https://yen-chifeng.liusmed.com</loc></url>
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  <url><loc>https://yen-chifeng.liusmed.com/videos/eByM6TjiO9s</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/eByM6TjiO9s/oar2.jpg</video:thumbnail_loc><video:title>肉毒效果退得很快正常嗎？影響維持時間的原因</video:title><video:description>肉毒一般可作用約四到六個月，嚴醫師說明劑量不足、施打位置不對，或藥劑泡好後放置多日才施打，都可能縮短作用時間。產生抗藥性的機率很低但並非不可能；他建議一開始劑量要足夠、約每六個月施打一次，施打後一週內避免三溫暖、烤箱等高溫環境。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/eByM6TjiO9s</video:player_loc><video:duration>77</video:duration><video:publication_date>2026-07-06T05:33:25.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/hCQQoDJYd7I</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/hCQQoDJYd7I/oar2.jpg</video:thumbnail_loc><video:title>肝斑雷射越打越黑？成因與水光針的淡化思路</video:title><video:description>肝斑與荷爾蒙變化、紫外線有關，常見於懷孕後的女性。嚴醫師說明過去多以雷射或光療淡化，但容易反覆，能量太強還可能刺激黑色素、越打越深；他會建議以手打水光把美白與修護成分打入真皮層，提升保水度並協助淡化肝斑。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/hCQQoDJYd7I</video:player_loc><video:duration>92</video:duration><video:publication_date>2026-05-21T10:05:04.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/8aLv0ZHLsfo</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/8aLv0ZHLsfo/oar2.jpg</video:thumbnail_loc><video:title>咀嚼肌打肉毒後變蛙腮？原因與補救方式</video:title><video:description>咀嚼肌肉毒後一咬牙側臉凸起，俗稱蛙腮，可能與劑量不足、施打不均或肌肉代償有關。嚴醫師說明施打時劑量要足夠，並在單側咀嚼肌分散多點注射；若已出現蛙腮，可回診針對咬合時凸起的位置補打放鬆。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/8aLv0ZHLsfo</video:player_loc><video:duration>69</video:duration><video:publication_date>2026-05-11T08:31:36.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/rZ3D9FUyziI</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/rZ3D9FUyziI/oar2.jpg</video:thumbnail_loc><video:title>手打和機打水光針差在哪？疼痛與恢復期比較</video:title><video:description>嚴醫師比較兩種水光針：手打能讓真皮層吸收較多藥液，凹凸處也能確實打到，但較痛，恢復期約 2 到 3 天，維持期通常較長；機打疼痛度較低，可依部位調整深度，但較容易漏液，恢復期約 1 到 2 天。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/rZ3D9FUyziI</video:player_loc><video:duration>72</video:duration><video:publication_date>2026-04-30T08:52:32.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/GNmfjxaOgQs</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/GNmfjxaOgQs/oar2.jpg</video:thumbnail_loc><video:title>眼皮鬆弛、細紋增加？眼周電波探頭怎麼保養</video:title><video:description>針對眼皮下垂、細紋與鬆弛，嚴醫師介紹專為上下眼皮設計的電波小探頭，接觸面約 0.5×0.5 公分，可逐發施打在上下眼皮，用於改善眼皮鬆弛、細紋與眼尾下垂；他通常建議一年保養一次。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/GNmfjxaOgQs</video:player_loc><video:duration>68</video:duration><video:publication_date>2026-04-28T09:19:56.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/gi1dyT3flpI</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/gi1dyT3flpI/oar2.jpg</video:thumbnail_loc><video:title>換季皮膚乾癢脫皮、夏天長痘？季節保養重點</video:title><video:description>冬天角質層保水度下降，容易乾癢脫皮，嚴醫師建議加強保濕、選霜狀較滋潤的保養品，避免過度清潔、洗面乳選溫和弱酸性；夏天容易出油長痘，少吃辛辣油炸、加強清潔控油。偏乾的肌膚也可評估水光針，把 PRP、玻尿酸等保濕成分打入真皮層。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/gi1dyT3flpI</video:player_loc><video:duration>90</video:duration><video:publication_date>2026-04-28T05:49:26.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/HYyBLnG9RPY</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/HYyBLnG9RPY/oar2.jpg</video:thumbnail_loc><video:title>減重太快臉垮顯老？臉部凹陷的分階段改善</video:title><video:description>使用減重藥物、體重快速下降後，可能出現法令紋、木偶紋與臉頰凹陷等鬆垮。嚴醫師說明可先以音波拉提改善鬆弛，兩三個月後再針對凹陷處評估填充，經三到六個月膠原蛋白逐漸增生，整體慢慢改善。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/HYyBLnG9RPY</video:player_loc><video:duration>55</video:duration><video:publication_date>2026-04-27T07:54:50.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/-xITwdC86J8</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/-xITwdC86J8/oar2.jpg</video:thumbnail_loc><video:title>男生想改善油膩感？醫師談男性醫美的選擇</video:title><video:description>嚴醫師建議先從減重做起；若在意雙下巴，可評估消脂針，咀嚼肌發達可用肉毒桿菌素，膚質可考慮皮秒雷射，毛孔與出油可評估水光針，預算較充足時也可考慮電波改善輪廓線。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/-xITwdC86J8</video:player_loc><video:duration>45</video:duration><video:publication_date>2026-04-27T07:49:50.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/_k8zHhH-Mfs</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/_k8zHhH-Mfs/oar2.jpg</video:thumbnail_loc><video:title>打電音波會變頰凹嗎？臉瘦的人怎麼選擇</video:title><video:description>本身偏瘦、臉頰已有凹陷的人，電音波選擇要更謹慎，否則可能讓頰凹更明顯。嚴醫師說明點狀音波較偏向刺激膠原蛋白與筋膜拉提，線性音波可能帶有溶脂作用；電波從表皮加熱到約 4.3 毫米深，對淺層脂肪也有影響，凹陷處需降低能量與發數、改加強周邊緊緻。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/_k8zHhH-Mfs</video:player_loc><video:duration>83</video:duration><video:publication_date>2026-04-27T06:24:33.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/QkX1gWSqWoY</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/QkX1gWSqWoY/oar2.jpg</video:thumbnail_loc><video:title>水光針一定要去韓國打嗎？關鍵在客製化配方</video:title><video:description>嚴醫師說明水光針並非韓國獨有，重點不在地點，而在醫師能否依膚況客製針劑配方；酒糟肌、細紋、毛孔與色素等問題都可評估一併處理。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/QkX1gWSqWoY</video:player_loc><video:duration>39</video:duration><video:publication_date>2025-10-22T08:14:54.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/aHwK4LhYn7A</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/aHwK4LhYn7A/oar2.jpg</video:thumbnail_loc><video:title>電波拉提幾歲開始做？年輕族群的預防保養觀念</video:title><video:description>電波不只是年長者的療程。嚴醫師認為 25 到 30 歲起就可以考慮作為預防，提早刺激膠原蛋白、維持皮膚緊實；40、50 歲才開始仍有效果，但可能需要較多時間與次數。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/aHwK4LhYn7A</video:player_loc><video:duration>37</video:duration><video:publication_date>2025-10-22T08:14:05.000Z</video:publication_date></video:video></url>
  <url><loc>https://yen-chifeng.liusmed.com/videos/pnBSrrnMHII</loc><video:video><video:thumbnail_loc>https://i.ytimg.com/vi/pnBSrrnMHII/oar2.jpg</video:thumbnail_loc><video:title>保養品擦了沒感覺？認識手打水光針保養</video:title><video:description>日常保養覺得沒感覺時，影片簡短介紹另一種選擇：手打水光針。這是以注射方式進行的肌膚保養療程，成分配方與是否適合自己，需由醫師依膚況評估。</video:description><video:player_loc>https://www.youtube-nocookie.com/embed/pnBSrrnMHII</video:player_loc><video:duration>33</video:duration><video:publication_date>2025-08-28T10:17:05.000Z</video:publication_date></video:video></url>
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