The best replacement for sls is sla.

The best alternatives to sls are rated as following:
★★★★★  sla
★★★★  slr
★★★  sles
★★★  als
★★  sts
★★  r8
★★  saturn v
★  458
★  sl65
★  falcon heavy
★  fdm
★  shore club
★  dmls
★  slsa
★  hls
★  w hollywood
★  sodium lauryl sulfate
  599
  sl63
  ego 11
  dbs
  ferrari 458
  saturn 5
  aff
  parabens
  uls
  slm
  lfa
  cadillac sts
  seville sts
  sts cadillac

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

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



Google Trends

Scale is based on the average worldwide traffic of sls in all years. Click on graph for more.
sls
sla
slr