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Thymosin Beta-4, the protein from which TB-500 is derived, activates hair follicle stem cells through its actin-regulatory mechanism

Combining copper peptides with retinoids, acids, and vitamin C simultaneously overwhelms skin that might tolerate each ingredient separately

The 28-day use window applies only to refrigerated storage

Most adults are not eating enough protein, especially those over 40

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Systemic versus topical approach Unlike KPV and GHK-Cu, which are primarily studied as topical applications for skin conditions, TB-500 works systemically