YUVAN RESEARCH INC. IMAGE: HIGH-RESOLUTION DERMAL ULTRASOUND SCAN OF ONE OF THE CLINICAL TRIAL VOLUNTEERS COMPARING THE INITIAL SKIN TO 3 MONTHS OF THE GHK-CU GEL USE. THE BRIGHTER THE IMAGE, THE HIGHER THE COLLAGEN DENSITY. CREDIT: © 2023 YUVAN RESEARCH INC. Skin loses collagen and elastin and becomes progressively thinner with age leading to wrinkles, so...