ghk-cu and reta Peptide GHK-CU Topical Serum 30mL -

Patch testing is important because everyones skin response to new ingredients can vary, and understanding your skins unique needs and your skin's health helps ensure safe and effective use

An Open-label, Single-center, Safety and Efficacy Study of Eyelash Polygrowth Factor Serum

GHK-Cu may prevent oxidative stress in skin by regulating copper and antioxidant gene expression. Oxidative Medicine and Cellular Longevity , 2018, Article ID 3235918

Traction Alopecia : Excessive tension from tight hairstyles damages hair follicles, leading to localized hair loss

Centers for Disease Control and Prevention

Paraffin sections were stained using the AB-PAS method and then examined and quantified for goblet cells under a microscope (Xu et al., 2023)