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Skincare basics·6 min read·Published

SKIN1004 Hyalu-Cica Water-Fit Sun Serum: five checks for Korea 50/100mL vs global UV

Distinguish Korean 50mL and 100mL listings from the global UV-labeled 50mL product, then apply sunscreen correctly.

SKIN1004 Korea 2025 Sun Serum film (product identity) · SKIN1004 Korea (official brand channel) · YouTube

Korean skincare brand SKIN1004 lists its Madagascar Centella Hyalu-Cica Water-Fit Sun Serum separately in 50mL and 100mL on its Korean store. The global site markets a similarly named 'Sun Serum UV' with 50mL and twin-pack options. Do not assume identical formulas, SPF labels or availability across jurisdictions. The brand's December 2025 Korean film identifies the product family, not independent verification of the regional formulations.

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  1. 01

    Read the market and tube size

    Korea lists 50mL and 100mL items; the global UV site lists 50mL and twin packs. Verify the full title and protection directions on your own tube.

    Visual references for this step 1 items
    Official video · post
    Step 1: Korean original product film; check your own tube · SKIN1004 Korea (official brand channel) · YouTube
  2. 02

    Apply sunscreen after skincare

    Finish cleansing and moisturizing, then spread the sun serum evenly as the final skincare protection step. It is sunscreen, not simply a hydrating facial serum.

  3. 03

    Cover all exposed areas

    AAD guidance includes adequate coverage of the face, ears, neck and other exposed skin. Do not miss the nose sides or hairline; keep it out of the eyes.

  4. 04

    Reapply outdoors

    Reapply at least every two hours outdoors and promptly after sweating, swimming or toweling. A serum texture does not cancel sunscreen reapplication needs.

  5. 05

    Use makeup and regional labels carefully

    Apply foundation gently after sunscreen, and add shade and a hat. Check your actual market's SPF/UVA and water-resistance label rather than assuming the global UV version is identical to Korea's.

✦ Helpful tips

  • The Korean 100mL option is not necessarily sold in every country.
  • The brand video is not our firsthand whitening-cast or wear test.

ⓘ Keep in mind

  • Rinse with water if it enters your eyes; discontinue if a rash develops.
  • Sunscreen complements rather than replaces hats, clothing and shade.

Original sources 5

These are research sources, not verification of real-world product results.

Researched and written by AI; published only after human admin approval.
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