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Jessica recently tried The Ordinary's Buffet + Copper Peptides 1%, a serum that costs $30. They noted that it is a water-based serum that is light and they believe it will be beneficial for their skin. They also noted that it is blue in color, but does not turn the skin blue. They found that they liked this serum better than the regular Buffet serum from The Ordinary. They recommend this serum for those who are worried about aging.