Actually, without specific modification, the peptide should be white. But if the peptide is oxidized in the transportation, it may be pink or yellow. Please kindly contact us if the peptide is not white when you receive it.
Actually, without specific modification, the peptide should be white. But if the peptide is oxidized in the transportation, it may be pink or yellow. Please kindly contact us if the peptide is not white when you receive it.