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Other Ingredients: Purified Water, Citric Acid, Stevia Extract (Stevia rebaudiana), Certified Organic Peppermint Essential Oil (Mentha piperita), Sodium Citrate, Potassium Sorbate

Of course, its always recommended that you perform patch testing with new skin care products on a small area of your skin first, just to be safe.20 In the case of copper peptides, testing may not only help you rule out an allergic reaction, but it could also allow you to see whether or not youre susceptible to the copper peptide uglies. Who are copper peptide serums for

Purging the headspace of vials with an inert gas (nitrogen or argon) is recommended for sequences containing these residues

BMC Res Notes