The best replacement for soap is rest.

The best alternatives to soap are rated as following:
★★★★★  rest
★★★★★  detergent
★★★  body wash
★★  hand sanitizer
★★  xml
★★  json
★  regular soap
★  liquid soap
★  http
★  wsdl
★  rpc
★  shampoo
★  sanitizer
  rest services
  xml-rpc
  antibacterial soap
  lotion dispenser
  rest web services
  shower gel
  face wash
  shaving cream
  rest differences
  cleanser
  wcf
  soap12
  no soap
  bar soap
  soaps
  restful
  http post
  rest api
  jms
  rest which is better
  corba
  xmlrpc
  xml rpc
  detergents
  horticultural oil
  rest comparison
  mink oil
  detergent chemistry
  jason
  hand wash
  rmi
  hand sanitizers

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

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



Google Trends

Scale is based on the average worldwide traffic of soap in all years. Click on graph for more.
soap
rest
detergent