Skin, Hair and Nail Problems

Hi all , M 27 , I had a protected exposure on April 6th 2025 , I took a STD test for (VDRL , hbsag , hcv , HIV combo 4th gen ( ab/g) on June 2nd 2025 ,nearly after 57 days of the exposure, the results are negative, my query is the HIV result said "non reactive" with values 0.06 , what does it mean , can anyone explain please also if I take a test at 90 days will the value increase?? Also since it is a 4th gen test , is it conclusive?? Thanks in advance, awaiting for response

Big red  coloured inflamed spot on right forearm... what is this skin condition called  and how to treat it ?

I have dandruff throughout the year. It's increasing with age. Big and flaky. It has increased so much that now it started flakinf on my forehead too. And because of dandruff i have frequent styes. I have tries anti dandruff shampoos before but they didn't help me. I am a model hence i cannot keep my scalp oiled for the entire week. I have extremely long hair, they touch my knees, so I can't me washing it daily.

Mole increased in size over the years, NOT itchy nor any feelings. It was flat earlier and I see that has swollen over the last 4-5years. Any recommendations?

Burning sensation and itchy rashes irritating me on back pls advise me for solution picture attached

Hi I saw a patch on right leg is this vitiligo I'm worried ?

My kid is 6 yr old . While headshave at the age of 4 I have found that scalp redness at crown and nape of neck . Still the redness is there . Healthy scalp . No itching. No dandruff. No pain . Only diffused redness of scalp . I don't know when the mark / pigment / redness was first noticed . At the time of fist headshave at 1 yr no redness . Pls guide . Only the redness at crown area . Her skin also so sensitive . Is this birthmark . Pls

Hello , My father has some allergy in legs. And his body is itching all over. What could be the reasons. How it can be cured.

I'm using steroid based topical cream since last 1 year unknowingly but now I want stop using it but I'm afraid of rebound pigmentation

Want to know about the ring worm. That I found etching issue on my skin recently. Staying with friends in the hostel.