





CLINICAL TOPICAL · DAILY
Copper Peptides Serum
A clinical-grade topical serum dosed with bioavailable copper peptides (GHK-Cu) and high-molecular-weight hyaluronic acid. Engineered to support the skin's natural collagen pathway, restore firmness, and lock in deep hydration.
Clinical doseGHK-Cu copper peptide + HMW hyaluronic acid
Third-party testedVerified for purity and potency
FDA-registered USAMade in our facility, vegan, cruelty-free
Free shipping over $7590-day satisfaction guarantee
Copper peptides are short chains of amino acids bound to a copper ion. Studied for over 50 years for their role in supporting collagen synthesis and skin barrier function. Our serum delivers a clinical dose, paired with HMW hyaluronic acid for hydration that lasts.
Read the science →+58%
Skin firmness
Self-reported improvement at 8 weeks
92%
Felt smoother
After 4 weeks of daily use
4.7★
Average rating
Across 380+ verified reviews
USA
Made + tested
FDA-registered facility

CLINICALLY-INFORMED BENEFITS
- Firming
- Hydrating
- Smoothing
- Calming
Self-reported user studies, n=84 over 8 weeks of twice-daily application. Individual results vary.
INCREASE IN PERCEIVED FIRMNESS
+58
%
COMPARE US TO OTHER
Built differently. Dosed differently.
Nuralogy
Drugstore Serum
Department Store
Online Direct
Pharmacy Brand
Bioavailable GHK-Cu peptide
✓
Partial
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Partial
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HMW hyaluronic acid (deep hydration)
✓
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Partial
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Partial
Fragrance-free, no synthetic dyes
✓
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Partial
✓
Third-party tested
✓
Partial
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Partial
Made in FDA-registered USA facility
✓
Partial
✓
Partial
✓
Vegan + cruelty-free
✓
✓
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✓
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★ ★ ★ ★ ★
"My skin looks visibly firmer after a month"
Verified buyer
▶
@thatcleangirlglow
★ ★ ★ ★ ★
"Replaced three serums with this one"
Verified buyer
▶
@minimalskinmd
★ ★ ★ ★ ★
"The lightweight texture absorbs perfectly"
Verified buyer
▶
@dailyrituals
★ ★ ★ ★ ★
"Finally a peptide serum that actually delivers"
Verified buyer
Built on five decades of peptide research.




"Copper peptides have been studied since the 1970s for their role in supporting healthy collagen synthesis and skin barrier function. A clinical-dose topical formulation is one of the most well-supported choices in modern skincare."
Dr. Marcus Vance, MD, PhD
Scientific Advisor
Cellular performance, dosed daily.™
Nuralogy
