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The Cast Index

ILIA · United States

Sun Serum Mineral Sunscreen SPF 50

SPF · Mineral sunscreen serum · Natural

The dedicated sunscreen option in ILIA’s range. Choose it for protection-first prep rather than the coverage of Super Serum Skin Tint.

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ILIA · Sun Serum Mineral Sunscreen SPF 50

01 / The basics

What is Sun Serum Mineral Sunscreen SPF 50?

ILIA’s mineral SPF 50 comes in Light-Medium and Medium-Deep options designed to reduce the visible zinc-oxide cast without foundation coverage. The brand describes a water-burst texture and a natural finish.

Best for
A dedicated sun-protection layer beneath makeup
Launch month
2026-04

02 / Review

Who should consider it?

Choose a sunscreen by the label, how it feels at the required application amount, and how readily you will reapply it. Test the tint in daylight; two flexible options will not look identical on every skin tone.

03 / Review

What should you check before buying?

Do not add SPF numbers together when layering products. If swimming or sweating is part of the day, check the exact bottle’s water-resistance directions and select protection appropriate to that activity.

04 / How to use it

How should you use Sun Serum Mineral Sunscreen SPF 50?

  1. 01Apply the amount and timing specified on the local sunscreen label.
  2. 02Let the sunscreen settle before adding makeup.
  3. 03Reapply as directed, including during extended outdoor exposure.

05 / Quick facts

What should you know before choosing Sun Serum Mineral Sunscreen SPF 50?

  • Format: Mineral sunscreen serum.
  • Finish: Natural.
  • Intended role: A dedicated sun-protection layer beneath makeup.
  • Details checked against the linked official source on 8 September 2026.

Further reading on The Cast Index

Facts on this page are drawn from the brand’s own product information and named, reputable press coverage, summarised in our own words. Inclusion in the Beauty Desk edit is editorial and independent of any commercial relationship. Last reviewed 2026-09-08. Corrections: desk@thecastindex.com.

FAQ

Sun Serum Mineral Sunscreen SPF 50, answered

What is Sun Serum Mineral Sunscreen SPF 50 by ILIA?

Sun Serum Mineral Sunscreen SPF 50 is a mineral sunscreen serum from ILIA, formulated for a dedicated sun-protection layer beneath makeup. ILIA’s mineral SPF 50 comes in Light-Medium and Medium-Deep options designed to reduce the visible zinc-oxide cast without foundation coverage. The brand describes a water-burst texture and a natural finish.

How is Sun Serum different from ILIA Super Serum Skin Tint?

Sun Serum is the brand’s dedicated SPF 50 sunscreen with no foundation coverage. Super Serum Skin Tint is a light-coverage makeup product labelled SPF 40 in the US. Follow the directions for the exact formula you buy.

Also reviewed by the desk

Back to the Season Beauty Index, the New York desk, or read how the desk selects and verifies products.