Skin, Hair and Nail Problems

Please suggest suddenly brown lines coming on thumbnail from the last one month. One both hands thumb. Is this a serious issue.

Is 138 pg/ml DHT high for 19 year old female?? can this be a cause of hairfall?

I have a dark line across my nose and also some pigmentation on the sides of my forehead pls suggest how to cure it.

Finasteride 5mg can be taken if having fibroids... Please don't say consult online if you know answer please tell

I am really disappointed with dermatologists because mujhe face pe ek black browinish mark hua thoda sa bigger in size and i have consulted many doctors but no one is able to treat this mark.. In other fields doctors do operations successfully but dermatologists are not able to treat this mark.. Why..they are just making there money.. We pay as per there expectation and spend lot of money on medicines but no results.. So pls suggest...

Am facing fabroid issue... can I use finasteride 5mg medicine daily... Pls don't say consult online if you know answer only then reply..

Doctors, Doctors has written Benzoyl peroxide gel for my Acne but he did not mention how many times use it Now one time or more time should i use this gel ?

Are these kind of pigmentation on breast normal? I had my breast ultrasound last year and reports were normal

Rashes and itching to  ankle of the leg with soe moles around leg since 2weeks suggest please for the dryness and itchy patches on leg

My daughter had cradle cap as a baby. Now it looks like it has returned. No dandruff shampoo or mask seems to help. There is no heavy itching, but it looks untidy. She was also told to have eczema. Could that be a reason?