Read the Research

We've covered this question for GHK-Cu already, and it's tempting to assume the answer for AHK-Cu is basically the same, given they're both copper tripeptide...

Most skincare advice eventually runs into a version of this question: is it fine to use this every day, indefinitely, or does it need to be cycled, given a b...

GHK-Cu and microneedling are marketed together constantly, and the pitch is almost always the same: microneedling opens the skin, GHK-Cu rushes in, results a...

Most consumer content about GHK-Cu frames it almost entirely as an anti-aging ingredient, fine lines, firmness, elasticity. That's a fair summary of what mos...

This is one of the questions we're asked most often, and it deserves a real answer rather than a one-line disclaimer: is 1% GHK-Cu Face and Skin Serum safe t...

The product page for 2% 2dDR Hair Serum states a standard dose of 0.5mL, delivering 10mg of 2dDR per application, used once daily. This article covers what t...

The product page for 1% GHK-Cu Face and Skin Serum states a standard dose of 0.15mL, delivering 1.5mg of GHK-Cu per application, used once or twice daily. Th...

If you've spent any time reading about GHK-Cu online, you've probably come across the term "copper uglies", the idea that skin can temporarily look worse, du...

The product page for 1% AHK-Cu Hair and Scalp Serum states a standard dose of 0.25mL, delivering 2.5mg of AHK-Cu per application. This article covers what th...

We're asked some version of this question often enough that it deserves a proper, honest answer rather than a one-line reply: is AHK-Cu safe to use during pr...