I've written before about how I use soap nuts for laundry, and I've gotten several questions since that post about how I also use them for shampoo. (wellnessmama.com)
Instead, you receive a one - pound bag of soap nuts, also called soap berries. (geekwrapped.com)
I use soap nuts for washing, and wool dryer balls with essential oils for drying. (it-takes-time.com)