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Formulations should incorporate stabilizing technologies (such as ethosomes or encapsulation systems) to reduce irritation potential while enhancing permeation without overwhelming the skin barrier

Scientific Highlights : Half-Life: It remains active for up to 3 hours, offering a sustained but controlled GH stimulation window

Kaushik H, Kumar V, Parsad D

A new formulation with improved absorption was launched in the UK in late 2025, with doses of 1.5 mg, 4 mg, and 9 mg that provide equivalent clinical effects to the original doses

Discard any open pen that has exceeded the 28-day window, even if medication remains inside