After you find a reference formula, the next step you would want to take is adding more ingredients. Maybe substitute ingredients for what you have. In this post, I will tell you how to do that. This skill is a fundamental concept that you need to know how to do. This skill comes right after learning how to scale formulations, which you can learn here. (Link)
You are at your own risk when making anything from this blog. I am not liable for any mishaps that may occur. I do my best to include everything in the procedure so, that accident are less likely occur!