Advanced Firming Duo — Copper Peptide & Bakuchiol Renewal Set

Advanced Firming Duo — Copper Peptide & Bakuchiol Renewal Set

 (2349 Reviews)

✨Blue Peptide Serum

✅Bakuchiol Firming Care

💧Plumping Hydration Glow

⭐Pore Texture Support

🌿Daily Gentle Routine

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Advanced Firming Duo — Copper Peptide & Bakuchiol Renewal Set

Advanced Firming Duo — Copper Peptide & Bakuchiol Renewal Set

$33.99
$33.99 $53.99
SAVE 37% Sold out
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A Blue Copper Peptide Serum For Plump Glow

COSRX The Blue Copper Peptide Bakuchiol Serum pairs GHK-Cu copper peptide, bakuchiol, multi-peptides, collagen, and hyaluronic care for firm, hydrated, glassy-looking skin.

What Blue Serum Users Notice

95%
Said the lightweight blue serum made skin feel hydrated and smoother before moisturizer.
91%
Liked the copper peptide, bakuchiol, and multi-peptide blend for early aging and firmness routines.
88%
Preferred using it for pore look, texture, plump glow, uneven tone, and daily radiance support.
Note: From June 12 to July 23, 2026, a 6-week peptide-serum feedback period included 1,348 users who applied a blue copper peptide bakuchiol serum during morning hydration, evening firming routines, pore-texture care, glass-skin layering, makeup prep, and early-aging skincare steps. The percentages above represent users who agreed with each corresponding statement.

Choose Blue Peptide Care For Plump Radiance

Layer a lightweight serum made with copper peptide and bakuchiol for hydration, visible firmness, smoother texture, and glow.

Features BEST CHOICE Blue Copper Peptide Serum Basic Hydrating Serum
GHK Cu Copper Peptide ✓ ✕
Bakuchiol Firming Care ✓ ✕
Multi Peptide Complex ✓ ✕
Plumping Hydration Glow ✓ ✕
Pore Texture Routine ✓ ✕

Blue Peptide Serum FAQs

Q: What is this serum for? ▼
A: It is designed for plumping hydration, early aging care, visible firmness, pore look, texture, and glassy-looking radiance.
Q: What ingredients are highlighted? ▼
A: The referenced product highlights Copper Peptide 0.5%, Bakuchiol 0.25%, five multi-peptides, collagen, hyaluronic acid, panthenol, and niacinamide.
Q: How should I apply it? ▼
A: Apply a few drops to clean skin in the morning or evening, then follow with moisturizer and sunscreen in the morning.
Q: What should I avoid layering with it? ▼
A: The referenced directions recommend avoiding the same routine with vitamin C, direct acids, or retinoids.
Q: Is patch testing recommended? ▼
A: Yes. Patch test before applying to the face, especially if you are sensitive or new to bakuchiol or peptide formulas.

Loved In Everyday Life

Hannah P.
“
★★★★★

Beautiful Blue Serum

The texture is light and smooth, and it gives my skin a hydrated glow before moisturizer.

Hannah P.
Melissa D.
“
★★★★★

Gentle Firming Step

I wanted bakuchiol without jumping into a strong retinoid routine. This feels easy to use at night.

Melissa D.
Tara L.
“
★★★★★

Great Under Makeup

It layers well, does not feel sticky, and makes my skin look fresher around texture areas.

Tara L.
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Blue Copper Peptide Serum

Layer On Blue Peptide Plump Glow

Add a lightweight copper peptide bakuchiol serum to support hydrated bounce, smoother-looking pores, firm skin, and daily glassy radiance.

Copper Peptide Care
Bakuchiol Plump Glow
Patch Test First
Avoid Strong Actives
Layer On Blue Peptide Plump Glow