The best replacement for glycerine is glycerol.

The best alternatives to glycerine are rated as following:
★★★★★  glycerol
★★★  glycerin
★★  vegetable glycerine
★★  glycol
★  glycerine
  lye

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

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



Google Trends

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glycerine
glycerol
glycerin