Homosalate vs Polysilicone-15: which Korean skincare ingredient?
⏱ 1 min read
⚡ Quick answer: Homosalate vs Polysilicone-15: Homosalate leans toward sun damage & photoageing, while Polysilicone-15 targets sun damage & photoageing. Can you use both? Yes — they layer well together.
Homosalate vs Polysilicone-15: Homosalate leans toward sun damage & photoageing, while Polysilicone-15 targets sun damage & photoageing. Can you use both? Yes — they layer well together.
| Homosalate | Polysilicone-15 | |
|---|---|---|
| What it is | A weak UVB filter that earns its place mainly by dissolving stronger ones — a lot of sunscreen chemistry is really solvent chemistry. Ten percent was the traditional ceiling; the EU has since lowered the level allowed in facial products after reviewing it. If you are pregnant and would rather avoid it, mineral or newer-filter sunscreens are easy alternatives. Ask your doctor. | A UV filter attached to a silicone backbone, permitted in Korea and the EU but not in the United States — one small piece of why Korean sunscreens feel the way they do. It absorbs UVB, stays put on skin thanks to its size, and adds almost no weight. Not a UVA filter, so it always travels in company. |
| Best for | Sun damage & photoageing | Sun damage & photoageing |
| When to use | AM | AM |
Which should you choose?
Choose Homosalate if your priority is Sun damage & photoageing; choose Polysilicone-15 for Sun damage & photoageing. Many Korean routines use both — yes — they layer well together.
Homosalate guide →Polysilicone-15 guide →
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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.