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Protein hydrolyzates, yeast is the hydrolyzed product of yeast cells. Obtained by autolysis or by external enzymatic hydrolysis. Hydrolyzed yeast products contain a lot of amino acids, small peptides, rich B vitamins, glutathione and nucleotides.

Protein hydrolyzates, yeast improves skin elasticity, increases skin firmness, replenishes syndecan deficiency in aging skin, improves epidermal adhesion, and makes skin look radiant and even-toned.

Protein hydrolyzates, yeast was originally isolated from yeast extract and later synthesized to high purity by solid-state synthesis.