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Trehalose: K-beauty ingredient guide 트레할로스

⏱ 1 min read
Quick answer: A disaccharide that some organisms use to survive drying out. That is a good mental model for what it does in a Korean toner — it helps the formula, and your skin, hold onto water.

A disaccharide that some organisms use to survive drying out. That is a good mental model for what it does in a Korean toner — it helps the formula, and your skin, hold onto water.

What Trehalose does for your skin

Best for

🥤 Dehydration (water-poor skin)🥵 Dryness & dehydration🧱 Damaged moisture barrier

🌌 Trehalose compatibility map

Tap any ingredient to open its guide. ━ pairs well · ┈ use with care.

💧Glycerin💧Hyaluronic A…🌾Beta-Glucan🧱Ceramides💠Trehalose
🤰 Pregnancy: Generally considered fine — confirm with your doctor. · ⏰ Use: BOTH

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💠 Trehalose

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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.

General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.