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10.2174/156652306776359487 102 TuY.SongE.WangZ.JiN.ZhuL.WangK.et al (2021)

Winter conditions like cold air, low humidity, indoor heating, and hot showers can strip natural oils and compromise your skin barrier

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If you need to keep them longer, some peptides can be stored frozen

3.4 Other components In addition to saponins and polyphenols, Dioscorea opposita is rich in active components such as polysaccharides, allantoin, amino acids, trace elements (such as zinc and selenium), and dietary fiber
