UV filters (sunscreen) in skincare โ what they do
โก Quick answer: UV filters absorb or reflect UV. Korea approves several elegant next-generation filters not yet available in the US, a key reason Korean sunscreens feel so light.
UV filters absorb or reflect UV. Korea approves several elegant next-generation filters not yet available in the US, a key reason Korean sunscreens feel so light.
16 uv filters (sunscreen) in the K-beauty INCI decoder
- Avobenzone โ A key filter that helps absorb UVA rays to support protection against sun-related aging.
- Ensulizole โ A water-soluble UVB filter that helps absorb sunburn rays while keeping textures light.
- Homosalate โ An oil-soluble filter that helps absorb UVB rays to support protection from sunburn.
- Mexoryl SX โ A water-soluble filter that helps absorb shorter UVA rays to support defense against sun damage.
- Mexoryl XL โ A photostable filter that helps absorb both UVA and UVB rays for lasting protection.
- Octinoxate โ A widely used filter that helps absorb UVB rays to support the skin's defense against sunburn.
- Octisalate โ A gentle filter that helps absorb UVB rays and supports a smooth, water-resistant sunscreen feel.
- Octocrylene โ A filter that helps absorb UV light and supports the stability of other sunscreen ingredients.
- Oxybenzone โ A chemical filter that helps absorb UV light to support broad protection against sun exposure; can sensitize some skin and is restricted in some markets.
- Tinosorb M โ A hybrid filter that both absorbs and scatters UV light to support broad-spectrum sun protection.
- Tinosorb S โ A modern broad-spectrum filter that helps absorb both UVA and UVB rays for stable sun protection.
- Titanium Dioxide โ A mineral filter that reflects and scatters UV light to help protect skin from sun exposure.
- Uvasorb HEB โ A photostable UVB filter that helps absorb sunburn rays to support all-day protection.
- Uvinul A Plus โ A photostable filter that helps absorb UVA rays to support defense against sun-induced aging.
- Uvinul T 150 โ A highly efficient UVB filter that helps absorb sunburn-causing rays at low concentrations.
- Zinc Oxide โ A mineral filter that sits on skin and helps shield it from a broad range of UV rays while gently soothing.
Decode any ingredient list free โ
Explore the full K-beauty hub โโ๏ธ Written & reviewed by the KoreaPlus Editorial team โ dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording โ not medical advice. Always patch-test new actives. ยฉ KoreaPlus.