Hello sir,I would like to know whether I can use placentrex gel on my facial skin..As earlier during my school days I use to apply and it was prescribed by the dermatologist...I don't remember property bt the product was really good on my face...and it's really very shiny and makes skin smooth..so right now I am 28 years old and I have a bit problem of acne..so can I use this gel..will it work ony skin.