Polyethylene glycol ethers of alkyl alcohols having the general formula CH
3
(CH
2
)
x
CH
2
(OCH
2
CH
2
)
n
OH wherein x is 8 to 20 (of which ceteareth-20, steareth-20 and steareth-100 are preferred), poloxamer 185, poloxamer 407, N,N-dimethyl dodecylamine N-oxide, and mixtures thereof, are employed to increase follicular delivery and/or follicular residence time of certain water soluble ornithine decarboxylase inhibitors of which 2(difluoromethyl)-2,5-diamino pentanoic acid and its pharmaceutically acceptable salts, hydrates, optical enantiomers and racemic mixture are preferred.
通式为 CH
3
(CH
2
)
x
CH
2
(OCH
2
CH
2
)
n
OH,其中 x 为 8 至 20(优选 ceteareth-20、steareth-20 和 steareth-100)、poloxamer 185、poloxamer 407、
N,N-二甲基十二胺 N-氧化物及其混合物、可用于增加某些
水溶性
鸟氨酸脱羧酶
抑制剂的毛囊递送和/或毛囊停留时间,其中优选 2(二
氟甲基)-2,5-二
氨基
戊酸及其药学上可接受的盐、
水合物、光学对映体和外消旋混合物。