abstract |
The present invention features compositions comprising 5 at least one compound of the formula I or formula II: R2 N111 N ,,R3 (I) (II) wherein R1, R2 , R3 , R4 , and R5 independently, are selected from the group consisting of hydrogen, Ci-C6 alkyl, Cl-C6 15 hydroxyalkyl, or a cosmetically acceptable salt thereof, and the use thereof. |