| 摘要 |
<p>Ceramide emulsions containing: (A) sphingosines having a specific structure; (B) an acidic compound selected from among inorganic acids and organic acids having a molecular weight of 200 or less; and (C) ceramides having a specific structure; but containing neither any acrylic polymers nor any phospholipids; skin preparations for external use comprising these ceramide emulsions; and a process for producing a ceramide emulsion.</p> |
