Household chemistry

Not sure what the best title for this page / category is. If you know a better one, please let me know.

I want to learn to make my own household things, including the following:

Also maybe:

  • Shaving cream
  • Candles
  • Soap
  • Detergent

I’m looking at the following resources:

Sites to get ingredients:

Sites to check if I actually want to use certain ingredients: