Though they were just a bit slower, no more than 90 minutes passed from the time we sent our email inquiry to the moment we received a response
Side Effects and the Copper Uglies Explained GHK-Cu has a strong safety profile in topical research, but a small subset of users experience a transient phase known as the copper uglies. A 2023 clinical safety review covering 12 studies and 512 participants reported that the most common side effects of topical GHK-Cu were transient and mild
After further culturing for 24 h, each well was washed, 1 mg mL 1 MTT solution (100 L) was added, and the cells were re-incubated for 4 h in the dark
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Are the marketing claims proportional to the evidence
A skeptic would say that picomolar collagen stimulation in cell culture does not automatically translate to visible skin firming in a 50-year-old human face, and they would be technically correct
