What do you with all those tiny hotel soap bars? Aside from using them in your travel kit, you can turn them into homemade liquid hand soap. Liquid soap is way cheaper and less messy than a bar of soap. Here's a simple step by step guide from @byjillee. You just need a few additional ingredients. This process also lets you use up those small, leftover nubs of bath soap. Just click on the link below.
Sorry. Do u add preservative ?
On your recipe for diy liquid hand soap. God u add any peraeevarive? The hand soap won’t get mold it’s bacteria ? How long is shelf life ?