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COSRX Debuts a New Skin-Strengthening Peptide Serum That ...
Alexa Vazque · 2026-05-01 · via E! Online (US) - Top Stories

Made with peptides and bakuchiol, this anti-aging serum might just replace your tried and true snail mucin.

By Alexa Vazquez Apr 30, 2026 9:52 PM

| Updated 28 minutes ago

Tags

cosrx hero image.jpgCourtesy of COSRX

We all know and love COSRX for their iconic snail mucin lineup. Now, the fan-favorite K-Beauty brand is entering their peptide era with a new drop: The Blue Peptide Bakuchiol Plump Glow Serum.

COSRX's latest skin-strengthening serum provides a glass-like, youthful glow thanks to a potent combination of powerhouse ingredients:

  • Copper peptides: The latest buzzy ingredient to take over the skincare world, it boosts collagen production, smooths fine lines and wrinkles, and supports skin elasticity.
  • Bakuchiol: A plant-derived retinol alternative that provides comparable anti-aging benefits without the irritation, making it ideal for those with sensitive skin.
  • It also contains moisture-boosting hyaluronic acid, sebum-balancing niacinamide, and barrier-fortifying panthenol.

Together, these powerhouse ingredients work to boost collagen production, resulting in firmer, plumper, more radiant skin. In addition to anti-aging benefits, the serum also helps tightens the appearance of pores, targets texture, and fades dark spots.

Shop the newest addition to the COSRX family below.

COSRX The Blue Peptide Bakuchiol Plump Glow Serum

Plump fine lines, bring back bounce, and get glowing skin with this anti-aging serum containing peptides and bakuchiol.

Dry, dull skin is no match for Gwyneth Paltrow's hydrating Goop Beauty body oil and it's on sale at Amazon.

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As an editorial team, we independently create content and determine coverage based on research, reporting and what we think our readers would like to read about. The goal of our content is to provide a service and inform readers who are on the hunt for the latest products to help make their life better. Items are sold by retailer, not E!. Pricing and availability are accurate as of publish time.