US$ 27.41
when was ghk-cu first used in cosmetics Copper Tripeptide-1 (GHK-Cu) Cosmetic Ingredient Guide Palmitoyl Tripeptide GHK-Cu Formulation & Manufacturing Expert
Description
Rare but Serious Side Effects: Allergic reactions such as swelling, rash, or difficulty breathing

Possible symptoms may include fatigue, weakness, tingling sensations and difficulty concentrating

The temperature of the cosmetics must be lower than 40 C

When sourcing for research, third-party certificates of analysis (COA) and High-Performance Liquid Chromatography (HPLC) purity testing are recommended