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UV Radiation Sun exposure stimulates melanocytes, the cells responsible for melanin production

While refrigeration helps extend shelf life after opening, proper storage at controlled room temperature also maintains stability before use

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As previously stated, proteins and peptides are essential for biological functions

What a COA Should Include Identity Confirmation Mass spectrometry confirming 850 Da for DSIP Sequence verification 9-residue sequence Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu N-terminal Trp confirmed (specific UV absorption signature) Purity Testing HPLC purity at 98%+ Single dominant peak