TikTok’s Favorite Foundation for Glass Skin Is on Sale for Under $20 During Amazon Prime Day

Amid the flurry of beauty trends we saw during summer 2024 — milky skin care, strawberry makeup, and all the blush — one South Korean beauty brand was quietly climbing the ranks and flooding FYPs. If you’re on BeautyTok, you’ll recognize the egg-shaped crimson compact: It’s Tirtir’s Red Cushion Foundation, a full-coverage formula that promises glass skin. Best of all, Amazon October Prime Day’s beauty deals let you snag the TikTok-famous beauty product for under $20.

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TikTok users were quick to flag that there’s some secret sauce in the Tirtir Red Cushion Foundation , with the app’s beauty lovers showing off the product’s ability to camouflage everything from breakouts to birthmarks. Usually, a full-coverage foundation of this caliber can feel heavy and uncomfortable on the skin, leaning overly matte or too dewy. Tirtir’s formula, on the other hand, has a featherweight feel to it and just the right amount of sheen to make your skin look healthy, not shiny. Even oily skin types, who may typically prefer matte foundations for acne , sing the praises of this find.

It’s worth mentioning that part of the viral Tirtir foundation’s rise to fame came from critiques about the shade range: As of 2023, the foundation was only available in three fair to medium shades. BIPOC beauty creators were quick to flag the issue, and Tirtir impressively set out on a redemption tour, expanding the shade range throughout 2024. As of October, the foundation now arrives in an impressive range of 40 shades, all of which receive rave reviews from the full spectrum of skin tones.

I ordered up Tirtir’s foundation last month to test it out, and I’m on board with the 9,000 Amazon reviewers who rate it five gold stars. I’m usually one to ditch applicator tools that are included in beauty products in favor of my own makeup brushes and sponges, but Tirtir’s is a rare case where the included tool — a dense, miniature makeup sponge — is the best tool for the job. To apply it, I simply press the sponge into the compact, then pat it directly on my skin.

What I love most about the Tirtir foundation is that it doesn’t require setting spray or powder to stay put or prevent it from settling into fine lines. It sounds cliche, but this Amazon beauty find truly does work like a Paris filter for the skin. Just one coat of the foundation provides enough coverage to conceal pimples and neutralize redness on my cheeks and around my nose. While testing the Tirtir Red Cushion Foundation, I wore it for a whopping 13 hours and experienced no fading or smearing.

During Amazon Prime Day’s beauty deals, the Tirtir Cushion Foundation is on sale for 40 percent off, so consider this your sign to order it up.

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Meet the Author

Claire Sullivan is the Senior Beauty and Lifestyle Commerce Editor for Footwear News and WWD, where she writes and edits beauty, fashion and lifestyle stories. She has over eight years of experience as a writer and editor for national media outlets including Martha Stewart Living, Martha Stewart Weddings, InStyle, and Byrdie. She keeps her finger on the pulse of all things related to beauty and wellness, as well as the latest shopping trends and clothing brands. Sullivan regularly reports on TikTok-viral beauty products and personally tested the Tirtir foundation for this article.

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