topical ghk-cu concentration percentage for Skin: What the Evidence Shows Copper Peptide Before and After:

Precautions and Warnings Other General Warnings Talk to your doctor if You have any existing medical condition and you are on other medications, supplements or following any complementary or integrative health approaches

Usage Tip: Pull your hair back and apply one spray to each side of the thinning area and one spray to the back of the scalp, then massage it in before it drips

While generally safe for healthy adults, its not recommended during pregnancy/breastfeeding, with active liver/kidney disease, or if you have glutathione sensitivity

The powder should dissolve completely, leaving a clear, colorless solution