Minoxidil. Gud for Beard Growth for 18?

Hello,I'm a Teen from India,Male and I want some Dermatological help.This is one of the most asked one. Please answer My 10 question's seeking immediate help. 1-I've heard about minoxidil and its great effect on Beard.Is this true?.I am 17 and still now,i am having only some light sprouts on my face.I want a beard so badly and that's how i heard of this drug. 2-Is it safe to use?.At this age?.If yes, 3-which brand should i go for or will you recommend which is affordable?.If i buy that too.. 4-How should i use the drug?. 5-Will it affect my Future?.And 6-Will i be able to get a beard within Months?. 7-Is there any other Effective way to get a beard?. 8-I am shy to consult a doctor for this cause.Should i really consult one or start using on my own?. 9-Does it have any side effects to my body?(P.S - Im lean and am doing workouts for my body.Also i have pimples in my face.) 10-Summarise and give your last advice or the last word. Thank You so Much for your patience and God Bless.