Skin, Hair and Nail Problems

I dont drink or smoke. I have been a pre-diabetic and have been a covid patient April 2021. Suddenly today a mole/ulcer has come up in my mouth. It doesn't pain on touching. I want to know is it some kind of cancer or ither problem. Should i get any screening for it in my city. My current meds include rosuvastatin 10mg for cholesterol and rivaroxaben 7.5mg for anticoagulation. Ither than this i have added a lof of veg salad in my diet in last few days which contain a lot of potassium content like spinach, carrot, beans, moong daal etc.

Can we use orange peel powder on face. Can we use Mixer of orange peel powder, honey on our face. Whether it reduce milia Or not.

My hair is becoming gray from root. Also I lost the thickness and density of hair. It's easily breakable, dry and appear quite damaged. Also, my hair length never grows beyond shoulder in my entire life.

Blister on leg after having Ornipen 500 mg. Stopped taking the medicine but the blister is taking too long to heal. It has been like this for 5 days, it is neither increasing nor decreasing. Photo of the water filled blister is attached. Kindly suggest a remedy.

I have skin allergy ( not able to  wear any artificial jewellery) So can i take covid vaccine. Is this safe for me?

In the last 1 year There has been a growth of bump like structure on my head which actually don't hurt But its size has increased a bit It looks very very ugly when I shed my hair completely Besides it seems like it's growth is not going to stop Which will lead to it's enlargement What medication should be preferred to check its growth and thereby eliminate it Completely I am to apper for an ssb interview in the next week But I think this thing on my head is going to disqualify me

Is laser acne scar removal bad for skin? Im 29 yrs old and i still get very big pimples very often. Ive taken a number medicines to prevent acne and then go for scar removal, but now i feel atleast the exsisting scar have to be removed to gain some self confidence. So is it possible to remove existing scar of acne? Are yhere any side effects?

Is it hiv rash ? No itching no pain , light pain while rubbing it , it is like that from three days actually itch first started while rubbing that area it form like that after that no itch but light sting needle when touching it otherwise no sensation, light burnt feel just for one day now present no itch no pain no burn no sting

Is it hiv rash or something else getting fear it come before some irritation on that particular place then itch then bumps came there was slight needle burnt and pain while touching but present no pain no itch nothing , from last three days pls help me pls

I have attached the previous query in the form of screen shot I was asked to upload the photo of the cyst/spot