| 摘要 |
A composition comprising i) oligomeric lactic acid with the following formula (I) wherein n is an integer from 2 to 20, from 2 to 19, or from 2 to 18, and wherein from about 10 to about 20% w/w of the total weight of the oligomeric lactic acid is a trimer, HL3, having n equal to 2, wherein the number average molecular weight Mn of the oligomeric lactic acid is from about 200 to about 500, and ii) a mucoadhesive agent. |
