Best Sellers

The Skincare That Actually Repairs — Not Just Moisturizes

Backed by 50 years of independent research, our GHK-Cu copper peptide system targets the root cause of aging skin. Rated ★★★★★ by 1,400+ customers — most of whom tried everything else first.

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#1 Bestseller1Koppā GHK-Cu Face + Body Peptide Balm Stick — Koppā GHK-Cu copper peptide skincare
Skincare

Koppā GHK-Cu Face + Body Peptide Balm Stick

Targeted repair for fine lines, spots, and problem areas — apply exactly where you need it.

★★★★★ 1,400+ reviews
$36.00
Most Popular2Koppā GHK-Cu 2% Serum dropper bottle — GHK-Cu serum, copper peptides skincare — Koppā GHK-Cu copper peptide skincare
Skincare

Koppā GHK-Cu 2% Serum

Your AM repair signal — smoother texture and a visible glow within weeks.

★★★★★ 1,400+ reviews
$64.00
Real Results, Real People

1,400+ customers replaced their entire routine with this.

Before & after results shared by our community — unfiltered, unsponsored.

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Build Your Routine

Not sure where to start? We made it simple.

Every Koppā product targets a specific skin concern. Here's how they work together — so you get results, not just products.

Best for: Visible texture, enlarged pores, early aging

GHK-Cu 2% Serum + GHK-Cu Balm Stick

Full-face repair with the Serum, then targeted delivery on concern zones with the Balm Stick. Most customers see a difference within 3-4 weeks.

Shop the Duo →
Best for: Dull skin, rough texture, uneven tone

GHK-Cu 2% Serum + GHK-Cu Capsule Cream

The Serum in the morning for brightness and repair. The Capsule Cream at night to seal in GHK-Cu peptides with microbeads distributing the peptide across every contour. The easiest 2-step protocol you'll stick with.

Shop Both →
Best for: First-timers who want the full protocol

The GHK-Cu Trio

The Balm Stick, the Serum, and the Capsule Cream in one bundle — the best price per product we offer. This is what our most loyal customers started with and keep reordering.

Shop Bundles →
Why People Who've Tried Everything Choose Koppā

Clinically grounded. No fluff.

Here's what's different.

Fast, Free Shipping

On orders over $80, shipped within 24 hours.

Third-Party Tested

Developed with board-certified dermatologists.

50+ Years of Independent Research

Not funded by us. Not cherry-picked.

1,400+ Reviews

Rated by real customers, not paid influencers.

Clean Ingredients

No parabens, sulfates, fragrance, or fillers.

The skin you've been trying to get back is possible.

GHK-Cu is one of the most-researched compounds shown to support your skin's own repair process. Thousands of customers started exactly where you are. Most saw real results within 30 days.

Start the Protocol — from $36 →