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Other clues that your compounded prescription may not be legitimate: It does not require a prescription

Eye cream study (41 women, 12 weeks): GHK-Cu eye cream outperformed both placebo and vitamin K cream for reducing wrinkles and increasing skin density around the eyes (PMID 26236730)

Most adjustments are based on skin sensitivity, goals, and product type: Natural GHK levels decline with age, which is one reason older adults may be more interested in copper peptide routines

Plus, you may find it harder to sleep at night, which makes your daytime stamina decrease even further

doi:10.1007/s12015-025-10911-x What is Epithalon (10mg)