Skin, Hair and Nail Problems

Owing to covid , I am washing hands very frequently and now I find my hand rough and dry and some parts of hand is black and rough . How to treat ? Pic attached for reference

Actually I have found that from many days my head was itching I thought it was due to dandruff but now I found that in left and right side huge area have patchof rashes which is itching regularly please suggest why it is and what should I do.

I am facing dandruff I have used medicine the month of Feb it was cured and again it started Pl advice to over come this issue.It is almost I am facing since one year.

Last three years i face badly hair loss and dandruff . I try many anti hair fall and anti dandruff shampoos and tablet but not effected

My scooter fell on my toe 5 months back and since then, there is a blood clot under the nail. It does not hurt while walking. But, there is a lot of pain when I wear shoes. The nail is not growing fast and sometimes, when I try to cut my nail, there is dried blood that comes in powdered form. Do I have to worry about it? Or will it get resolved on its own?

How can i use niacinamide and Benzyol peroxide together to fight acne? Which goes first on the skin after cleanser?

Need help on understanding the dosage of Trichospire hair kit.. Can we take 2 tabs ( meant for the day ) together after dinner ?

Hey doctors! I am going through fungal infection since few month. It irritates my skin a lot. I tried using a lot of ointments to cure it but nothing is working. Even my mother is suffering from the same thing. We are also have it in our private areas. I am confused if this is fungal infection or jock itch? I even had antiallergy tablets. But nothing is curing it. Please 🙏 suggest me something to cure this. And I wanted ask if o2derm works for fungal infection or not? And does it contain steroids?

My son 12 years old having heat pimples on his face and multiple warts ok his head. Kindly suggest him the medication

I had spider pee rash few months back. To cure i have i have approached my doctor friend. She suggested to use cloben-g three times a day and a medicine was suggested if itching occurs.. As there was no itching.. I have only applied cloben-g.. But now it seems to reappear.. Causing irritation. And started using cloben g again. Location of spider pee rash is on the upper thigh. PLEASE HELP ME TO ERADICATE IT COMPLETELY.