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Sun care · 2 min read

Why sunscreen is the last step, every day

Anua Zero-Cast Moisturizing Finish Sunscreen SPF 50

Sunscreen protects the work the rest of your routine does. Here is how to wear it well.

If you only add one product to your routine, make it sunscreen. Sun exposure contributes to dark spots, uneven tone and visible signs of aging, and it can undo the progress of brightening serums and retinal.

Why last?

Sunscreen forms an even film on top of your skin. Putting other skincare over it can thin that layer, so it goes on after moisturizer, as the final step of your morning routine.

  1. 1MoisturizeLet your cream settle first.
  2. 2Apply generouslyCover your face, ears and neck.
  3. 3Let it setWait a few minutes before makeup.
  4. 4ReapplyEvery two hours outdoors, and after swimming or sweating.

What to look for in the US

  • "Broad Spectrum" on the label, for UVA and UVB.
  • SPF 30 or higher for daily wear.
  • Water resistant if you will be active.
  • A texture you enjoy, so you actually wear it.

How much is enough?

Most people apply far less sunscreen than the amount used to test SPF. A practical guide for your face and neck is a generous layer that covers every area evenly, including your ears, hairline and the sides of your neck. If your sunscreen feels unpleasant, you will skimp on it, so a texture you love matters.

Korean sunscreen textures

Korean sunscreens are popular because they often feel like a light moisturizer: hydrating, quick to absorb and without a heavy white cast. That makes the daily habit easy to keep, under makeup or on bare skin. Formulas sold in the US are regulated as over-the-counter drugs, so always read the Drug Facts on your tube.

Sunscreen and your actives

  • Retinal and retinol can increase sun sensitivity.
  • Exfoliating acids leave fresh skin more exposed.
  • Brightening serums work best when you are not undoing them with sun.

Quick answers

  • Do I need sunscreen on cloudy days? Yes. UV reaches skin through clouds.
  • Does makeup with SPF count? It helps, but most people do not apply enough makeup to rely on it alone.
  • Can I put sunscreen over moisturizer? Yes, that is exactly where it goes.

Keep a sunscreen by your keys or in your bag so reapplying is easy. A habit you can keep every single day beats a perfect routine you only follow on beach days.

Treat sunscreen as the step that protects everything else, and the rest of your routine has a chance to shine.

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