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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
Glutathione is one of them
Daily, 5 days on / 2 off
Maybe I didnt because Id started to replenish my stores with better food or different training, who knows
Unrealistic expectations: Full regrowth of long-bald areas
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