The best replacement for siloxane is silane.

The best alternatives to siloxane are rated as following:
★★★★★  silane
★  polyether

Your alternative for siloxane is not listed? Suggest!
Speaking about siloxane, one probably shouldn't forget about peptides cream.

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



Google Trends

Scale is based on the average worldwide traffic of siloxane in all years. Click on graph for more.
siloxane
silane
polyether