Skin, Hair and Nail Problems

I had long beard since 4 yrs. Used to feel itchy, but was feeling ok applying  beard oil. Today I shaved off all my beard and I see some itchy white patches on my chiks and chin. These are the place which was itchy and had white beard hairs. For now I have applied caladryl clamine solution.

My daughter have too much pimple on her face since menarche.i have tried every home remedies but not a single works.plese suggest what to do and also pimple leaves scar on the face . photo attached

Dark spots appeared on my face out of nowhere and kept on spreading. Is it something of concern? They are spreading and I am worried to what extent it might spread. I consulted a dermatologist and she said they are birth marks and prescribed an ointment. Can it be birthmarks? It sounded strange. I shared pics which are three months apart. And you can view the spots spreading.

Nail discolouration,hard and brittle. Sometimes the underneath nail pains. I took treatment earlier also but due to pandemic discontinued. Kindky prescibe a medication which is safe . Thank you.

Having allergic rhintis since 1 yr almost  daily once in 2 days. What are the investigations i have to go through ? Im using curently only monteck lc Will i get rid of allergic rhinitis?

Apply vitamin oil is safe or not in face ..does it help. Can it be consumed if yes please advice ..thanks

No irritation or itching with scratch but worried about it, can any one guide me It's been seven days that it occurred there

Red and Black patches with pain .first itching and then balck and red spot like blood is oosing out. After it dry some hole on skin .black spot remains on skin

Actually i have minoxidil alllergy Is there any other alternative treatment for alopecia androgenic Pls help

What is the name of this skin disease. .what is medication can I take?below I attached some pics of the skin rash