ghk cu mixing GHK-Cu Dosage: A Doctor's Guide to Calculations, & Safety π§ͺ Mixing Snap-8, GHK-Cu, and
Description
In nasal sprays, copper is proposed to improve breathing during colds, rhinitis, or sinusitis
But I was

Int J Dermatol 2015;55(2):153-157

Low-quality products may contain impurities, improper copper binding, or degradation products that cause adverse effects while providing minimal benefit