An all natural and organic plastic free stain remover This laundry bar is packed with lemon essential oils - it removes stains from all types of materials. plastic free How to use: Wet bar, rub into stain and machine wash as usual. Can also be used when handwashing.Wool: moisten the soap and let the foam penetrate the stain and allow to work for 1-2 minutes before washing. For all types of textiles: Apply soap on the stain and allow to work for 1-2 minutes before washing.