Good Day to all the Doctors who had answered my previous questions. It is very satisfying and I'm grateful for that. I have another query relating to PRP treatment on why does it cost much compared to fillers/botox or other treatment who have similar purpose when in fact what was injected to us is our own blood. Also, can PRP eliminate dark areas on my face due to my irresponsible us of peeling agents. Again, thank you so much for all your answers to my previous questions, i really appreciate it.