Skin, Hair and Nail Problems

I have keratosis pilaris/ chiken skin , which medicine is best to treat keratosis pilaris, Can I use isotretinoin

I have tiny white bumps on my penis end which are non itchy and painless. Also I have a chain of tiny bumps coverh folded foreskin in a circle and few straight line bumps on my folded penis foreskin. Those are painless itchy less. What it is even all my vdrl test, hsv test are negative. Please tell me what is this. What needs to be done.

The toenail is damaged and only a small central portion remains, with pink nail polish on it. There is yellowish/brownish material around the remaining nail, which could be thickened nail, dead skin, debris, or dried discharge. The nail appears irregular and partially broken or eroded. The skin around the nail does not look markedly red or swollen in this single image, although photos can miss subtle changes. The nail itself appears abnormal and possibly dystrophic (deformed).

Some of them (these acne types spots those who have dried cause of a antifungal powder being used)aches sometimes, worsen in summer BMI-17.8 These acne type things are all over thighs,stomach, breast area,and now developing pver back

She has had small black spots in the face for many days. When winter comes, it becomes itchy. Many doctors diagnosed many different things. Can you tell me what it is actually?

I am currently  facing issue with Sun tan in hand and neck since more than 1 year .Though I have use fews sunscreen but did not work

I started using glycolic acid 8% toner for my dead skin buildup and pigmentation around body parts , underarms and neck as well. my body and face didnt react and was pretty normal but my neck portion skin barrier got severely damage after just 2 use which had gaps in between as well. what should i doo?

I got my underarms waxed at a salon, but I think the wax they used didn't suit my skin. After the waxing, I experienced severe itching, and the skin became irritated and damaged. Over time, the area turned dark. I'm really concerned about it. What can I do to heal the skin and reduce the pigmentation?

Hello Doctors! My brothers age is 23 years old with no existing health illness. Recently he has been noticing an increase in hair fall especially from the middle of the head and scalp is visible with low hair density. Does he has a male baldness at the of 23 years or may be something else.

Retinol causes severe dryness and flaking and blacness all around the eyes.its been 3 weeks redness not improved.still feel dryness and tightness over eye.whole area around eyes got blacken