Goodbye to Yellow Armpit Stains: one part Dawn dishwashing liquid + two parts hydrogen peroxide + some baking soda. Use a small laundry brush to work the mixture into the stain for a few minutes. Let sit for an hour or so then launder as usual.
20 Household Uses for Used (Yes, Used) Dryer Sheets
Put shower liner in washing machine with some white towels, regular detergent, and 1 cup of vinegar. Vinegar will remove the soap scum! Run through a cycle with warm water. When done, hang it back up on the shower curtain rod to dry.
I already use diluted tea tree oil and my own lavendar for cleaning everything from me to the bathroom sink. These are some terrific recipes for homemade cleaners: Anti-Bacterial Spray, All-Purpose Cleaner, Grease Cutter and Bathroom Cleaner.