Most popular audiophile solutions are: (alphabetically)
Auric Illuminator - CD/DVD Cleaner
Disc Doctor CD Cleaning System
Shine Ola (Record Research)
Vivid (Walker Audio)
Inexpensive cleaner that provide good results: (alphabetically)
ROR (residual oil remover) V-Vax Corp., Chicago
Novus Plastic Polish #1, Novus Inc. Minnesota
3M Plastic Polish, 3M Corp.
Search Audiogon posts for reviews of the audiophile solutions. For the inexpensive versions, buy and try.