Some people use Borax for making homemade laundry soap, having the function of a laundry booster.
Homemade Laundry Detergent
Homemade Liquid Laundry Detergent - Nature's Nurture
Make Your Own Powdered Laundry Detergent - Six Clever Sisters
Borax Soap Recipe
Borax Soap Powder
Homemade Liquid Laundry Detergent (Free Printable Recipe)
Homemade Liquid Laundry Soap, Borax Free & HE Approved
Does Homemade Laundry Detergent Work? The Science Behind this
Homemade Soap - Lye Soap Recipe - How To Make Soap
Tallow Soap Recipe • The Prairie Homestead
Soap Archives - Pioneer Thinking
Sunday Night Spotlight: Borax - Soap Queen
Borax Facts - Making Homemade Soap - Pioneer Thinking