swolverine ghk cu Neurogan GHK-Cu Copper Peptide Hair & Scalp Serum – 2400mg, 4% Copper Peptides – Fast-Absorbing, Water-Based Formula for Hair Softness & Shine Home - OP Labs (Formerly

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Do not assume that a solvent recommendation for one suppliers salt form applies to every lot

Freezing works for lyophilised powder (store at 20C before reconstitution), but not for solutions

Needless to say, I'd be very grateful for any opinions you might have on this