glycyrrhizic acid- My Experience

I’ve been applying glycyrrhizic acid 98% for several months now after using epilator. I dissolved it in hot water and waited to cool. the results were noticeable from the first session. however, after few more sessions the results were the same. the hair was bout 30% thinner and the length remained as it had been.
I begin to think if maybe I need a good transdermal system (gel, cream etc) for better results but I have no idea where or how I can formulate it. I’m also trying to find lotions with high concentration of GA for further testings.