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Topical cosmetic only. Argireline is typically formulated at 5-10% in leave-on serums, creams, or gels and applied to the target area (e.g., crow's-feet, forehead) twice daily. There is no oral, injectable, or systemic dose — it is not ingested. Concentration and formulation drive how much actually penetrates the skin. This library does not provide an ingestion protocol.
Any time
Leave-on topical cosmetic (serum, cream, or gel) at 5-10%
Throughout
4-8 weeks
Throughout
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