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Smooths rough skin

REDEFINE 1 Results (Phase 3) The landmark trial randomized 3,417 adults to CagriSema 2.4/2.4 mg, semaglutide 2.4 mg alone, cagrilintide 2.4 mg alone, or placebo for 68 weeks (Aronne et al., 2025): The combination significantly outperformed either component alone

Ongoing: Continuous improvements, reduced seasonal shedding

Best fit Skin texture, Hair research, Collagen signaling GHK-Cu Topical Serum should be evaluated by goal fit, safety fit, evidence strength, and provider oversight

GHK-Cu moves through the epidermis into the dermis, where copper peptide research focuses on skin appearance

Systemic Site of Action The large surface area of the lungs (70 m 2 in an adult) available for absorption can lead to a rapid increase in systemic concentration and hence rapid onset of action at distant effect sites