Skin, Hair and Nail Problems

I am suffering from hairfall and I have done blood test ,and report shows deficiency of vitamin d ,and vitamin b12 ,which supliment is good for both vitamin ?

Since past few days I am Facing an issue around my neck like little bumps, Redness, Itchiness And also my facial skin is dealing with pimples, bumps , texture, Itchiness and also seems to be so full.From past one year I am facing hyper pigmentation at my mouth corner it's not at all going no matter what I do. Can you please help me with these problem?

Sir or madam today I got vaccine also I have been follihair tablet from 2 month so can continues my medicine after vaccination?

My hair density has become less due to hairfall scalp is visible clearly and my frontal temple area is lost so my side look like bald I would like to stop hair loss, need more density, recover the lost in temporal area

Face have Facial Skin bumps, skin burn,redness maybe occurred using facial products so I stopped as soon as I noticed but the allergic reaction that have happened is still on my face and has stopped growing when I stopped using those facial products. Pls tell me how to remove it from my face.

I am having lots of stretch marks on my whole body. can treatment of strech marks is possible.Is laser treatment remove the stretch marks

Hello doctor,is it ok to take finasteride 1mg tablets as iam having recending hairline .my age is 22 ,male. Is there any serious side effects or is it ok to take?

Iam 22 ,male. I have recending hairline and planning to take finasteride. The question is is it ok to start finasteride medication at my age and does it help in regrowth of hair in hairline?

There is a small tiny structure on finger from past 1 year can you guide me what is this and suggest me a good medicine for this

Facing a lot hair loss and itching problem. In hairs found some patches like alopcia fungal infection. Pls help