3 Ways to Make Shampoo - wikiHow
Oct 09, 2019·To make your own shampoo, start by getting a bar of soap that's made with all natural ingredients. Then, use a cheese grater or knife to cut up the soap so you have 4 ounces of soap flakes. Next, bring a quart of water to a boil and pour it over the soap flakes, which will make them dissolve.