3) Promote skin absorption Its molecular structure is small, and most of them are small molecular proteins, which are easily absorbed by the skin
Zhang T, Gong Y, Meng H, Li C, Xue L
What Normal Reactions Look Like Across large studies of injectable biologics, typical benign reactions include: Mild redness confined to 2-3 cm around the injection site Slight swelling or firmness (small lump or wheal under skin) Tenderness or itching improving within hours to two days Minor bruising or pinpoint bleeding Timeline: Onset within minutes to 24 hours, peaking by 24 hours, followed by improvement Clinical data shows these reactions occur in 25-45% of injections for some formulations and usually resolve within 1-3 days with simple care
This ensures that the patient experiences the systemic benefits of GH optimization without the discomfort of fluid shifts
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