去角質頻率點揀先啱｜過度去角質嘅警號

去角質幾耐一次先啱?次數太多定太少都唔理想

去角質嘅重要性大家都聽過,但「應該幾耐做一次」呢個問題,反而好少人真正搞清楚。去得太密,皮膚可能會出現不適;去得太疏,又未必達到預期效果。搵到啱自己嘅頻率,先係去角質嘅重點。美國皮膚科學會（American Academy of Dermatology）指出，過度去角質（尤其係累積性嘅化學去角質）係皮膚屏障受損嘅其中一個最容易被低估嘅成因，亦係求診皮膚科醫生嘅常見反應性肌膚問題之一。

Everyone knows exfoliation matters, but "how often should I do it" is a question few people actually pin down. Do it too frequently and skin may become uncomfortable; do it too rarely and you may not see the results you expect. Finding the right frequency for your own skin is what really matters. The American Academy of Dermatology notes that over-exfoliation — particularly cumulative chemical exfoliation — is one of the most underestimated causes of skin barrier damage, and a common reactive skin concern seen by dermatologists.

合適頻率因人而異,睇膚質同產品類型

去角質頻率冇一個放諸四海皆準嘅答案,主要取決於皮膚耐受度同所使用嘅產品類型。以溫和酸類為例,By Wishtrend 杏仁酸溫和去角質爽膚水質地相對溫和,一般可以較高頻率使用,但仍然建議由每週2至3次開始,觀察皮膚反應之後再決定係咪需要調整。油性皮膚或耐受度較高嘅人,或者可以稍為增加頻率;乾性或敏感性皮膚,就建議由較低頻率開始,慢慢觀察皮膚適應情況。

There's no one-size-fits-all answer for exfoliation frequency — it mainly depends on your skin's tolerance and the type of product you're using. Take a gentle acid like By Wishtrend Mandelic Acid Gentle Exfoliating Toner — its relatively mild formula can generally be used more frequently, but it's still best to start at 2 to 3 times a week and adjust based on how your skin responds. Those with oilier skin or higher tolerance may increase frequency slightly, while dry or sensitive skin types should start lower and gradually observe how skin adapts.

過度去角質嘅警號,你有冇中招?

• 皮膚變得容易泛紅、刺痛,尤其喺使用其他護膚品之後反應明顯增加。
• 皮膚繃緊乾燥感加劇,甚至出現脫皮情況,即使加強保濕都未見改善。
• 皮膚對日曬變得更加敏感,曬後容易泛紅或不適感增加。
• 原本穩定嘅膚質突然變得反覆,經常出現唔明原因嘅小狀況。

Signs of over-exfoliation to watch for: skin becomes prone to redness and stinging, especially reacting more noticeably after using other products; a tighter, drier feeling intensifies, sometimes with visible flaking that doesn't improve even with more moisturizer; skin becomes more sensitive to sun exposure, reddening or feeling uncomfortable more easily after time outdoors; and previously stable skin suddenly becomes unpredictable, with frequent unexplained minor issues.

出現警號之後應該點做?

如果發現自己出現以上任何一項警號,第一步係暫停去角質步驟,畀皮膚屏障時間休息同修復,期間可以集中喺基礎清潔同保濕,等皮膚狀態穩定之後,先以更低嘅頻率同濃度重新開始。切忌一見狀況就再加多一步「急救」產品,反而可能令皮膚負擔更重。

If you notice any of these signs, the first step is to pause exfoliation altogether, giving the skin barrier time to rest and recover. During this period, focus on basic cleansing and hydration, and only reintroduce exfoliation at a lower frequency and concentration once skin has stabilized. Avoid the instinct to add another "rescue" product the moment issues appear — that can end up placing even more burden on the skin.

常見問題 FAQ

• Q: 完全唔去角質可以嗎?
  A: 可以,皮膚本身有自然代謝機制,唔去角質唔代表皮膚一定有問題,係咪需要加入呢個步驟,可以按自己膚質狀態同需要決定。
  Q: Is it fine to not exfoliate at all? A: Yes — skin has its own natural renewal process, and skipping exfoliation doesn't necessarily mean there's a problem. Whether to add this step can be decided based on your own skin condition and needs.
• Q: 出現過度去角質警號後,幾耐先可以重新開始?
  A: 冇固定時間,建議以皮膚狀態為準,待泛紅、刺痛等不適感完全消失、皮膚回復穩定之後,先由低頻率重新開始,並持續觀察反應。
  Q: How long after over-exfoliation signs appear should I wait before restarting? A: There's no fixed timeframe — let your skin's condition be the guide. Wait until redness, stinging, and other discomfort fully resolve and skin feels stable again, then restart at a low frequency while continuing to monitor how it responds.

搵到啱自己嘅節奏,先係去角質嘅正確心態

去角質唔係頻率越高越好,重點在於配合自己嘅膚質同耐受度。由杏仁酸爽膚水開始,由低頻率入手,慢慢觀察皮膚反應,先係最穩妥嘅做法。

Exfoliation isn't about doing it as often as possible — the key is matching your own skin type and tolerance. Starting with mandelic acid toner at a low frequency and gradually observing how your skin responds is the safest way to go about it.

資料來源

• American Academy of Dermatology — guidance on over-exfoliation and skin barrier damage