| 摘要 |
PROBLEM TO BE SOLVED: To obtain a freeze-dried cosmetic that contains no preservative, has excellent long-term stability and excellent solubility. SOLUTION: The freeze-dried cosmetic is obtained by freeze-drying an aqueous solution of a mixture of collagen, sodium hyaluronate and an ascorbic acid derivative and dissolved again in water or a skin lotion and used when used. COPYRIGHT: (C)2006,JPO&NCIPI
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