GHK-Cu Copper Peptide Serum now features a unique blue formula, crafted by our family-owned business where our three bald founders are dedicated to preventing hair loss. This two-ingredient serum nourishes the scalp for fuller, healthier hair. Proudly made in the USA, it's simple, effective & guaranteed satisfaction.

Usage: Apply a few drops of GHK-Cu Copper Peptide Serum directly to your scalp once daily. Gently massage into the scalp to ensure deep penetration.

Looking for another format? Compare all GHK-Cu products.

Test Details

Learn more about each test in this panel.

How the device works

Our FDA-cleared device makes collection quick and virtually painless.

Stick it on your arm, press a button, and in about five minutes, you’re done. No needle. No fuss.

Accessing your results

Once your sample reaches our lab, you’ll get your results in 2–3 business days. We’ll email you when they’re ready, and you can view them through your secure online portal.

Your report is easy to read and ready to share with your healthcare provider.

How We Compare

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Find the right test

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Answer a few quick questions and we’ll match you with the PRYM test kit that best fits your goals, symptoms, and lifestyle.

Whether you’re checking in on your hormones, managing fatigue, or just want a clearer picture of your health, we’ve got you. No surprise bills. No hassle.

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