The Secret to the Absolutely Best Handmade Soap Recipe- Coconut oil for making soap ,when I make soap I try to keep as natural and simple as possible. I found dividing my ingredients into thirds or fourths works best. So say 25 % coconut oil, 25% shea butter, which makes a nice hard bar, 25% olive oil, and 25% palm oil.The Secret to the Absolutely Best Handmade Soap Recipewhen I make soap I try to keep as natural and simple as possible. I found dividing my ingredients into thirds or fourths works best. So say 25 % coconut oil, 25% shea butter, which makes a nice hard bar, 25% olive oil, and 25% palm oil.