The best replacement for cosmo is glamour.

The best alternatives to cosmo are rated as following:
★★★★★  glamour
★★★★★  martini
★★★★★  aria
★★★  gq
★★  maxim
★  flare
★  ishigaki
★  mirrored
★  cream for tails
★  astro
★  rizuki
  cosmo
  wanda
  redbook
  marie claire

Your alternative for cosmo is not listed? Suggest!
Speaking about cosmo, one probably shouldn't forget about tails.

Other search terms related to cosmo and their ratings are:
★★★★★ tails
You have in mind a companion for cosmo and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cosmo in all years. Click on graph for more.
cosmo
glamour
martini