Most often, deficiency results from inadequate intake of glutathione and nutrients needed for glutathione production
Unlike any other exfoliant, Salicylic Acid seeps deep into the pores to dislodge excess sebum, dead cells, and debris
Deep Hydration & Electrolyte Replenishment Hydration IV 60 min | 2 medical credits Full electrolyte replenishment for patients recovering from intense training, travel, heat exposure, or chronic dehydration

Topical GHK-Cu serum shelf life Pre-made commercial serums: Usually 6-12 months unopened 3-6 months after opening Check manufacturer recommendations Refrigerate after opening extends life DIY serums (mixing powder with carrier): Shorter shelf life than commercial 2-4 weeks typical (no preservatives) Must refrigerate Discard if color changes Factors affecting topical shelf life: Preservatives: Extend significantly pH: Neutral pH more stable Carrier: Some better than others (hyaluronic acid, glycerin good) Storage: Cool, dark, sealed Contamination: Sterile technique critical Best practices for topical GHK-Cu: Buy small bottles (use within 3-6 months) Refrigerate after opening Don't double-dip (pour into hand, don't touch dropper to skin) Watch for color changes (brown = oxidized) Replace every 6 months even if looks fine See our how to reconstitute peptides , bacteriostatic water for peptides , and how long reconstituted peptides last in fridge
& Spong, C