How about making your own zero waste shampoos? This complete kit allows you to create 4 nice shampoos with nettle and marshmallow powders and a thermoformed mold made in France in the Graine Créative workshops. Easy thanks to the detailed instructions. Contents: 200 g of solid shampoo, 1 soap mold, 5 g of organic stinging nettle powder, 5 g of organic marshmallow root, 1 illustrated instruction manual. Stinging nettle is known as a natural hair tonic. Marshmallow is known for its detangling and sheathing properties.