Skin, Hair and Nail Problems

Have line on my right index finger (attaching picture ) Is it cancer ? Can I survive ? Searched it online . Family history of non hogkins lymphoma large B cell currently under treatment (2nd chemo )for my dad 48 year old . My history - anxiety disorder diagnosed last year . viral warts and DPN (removed )

I am having grainy eruptions on my lower jaw and lower chin which slightly pain on applying pressure.

I can find my skin rough on the lower chin and jaw. there are grainy small eruptions which slightly pain on applying pressure

Hi by baby is 7M old I have observed red rash after sun exposure and after 10days seen white patches around red rash. I am using hydrocortisone from 2 weeks didn't observed any change. Please help me

Dandruff, dull grey hairs , unhealthy skin texture also back acne I use heena so i wanted to know can i use indigo or should i go for colour also having acne marks at back also hair fall need proper list of products to be used as i don't have much time and idea what is good for my  skin and hair according to my issue pls suggest best products as i don't use anything particularly .

Sir/mam,my skin is too much sensitive,oily,acne prone ..please suggest me some non-comedogenic moisturizer for daily use..please help me doctor.

A have a very dull skin with no glow, dark circle and freckles. And I have a very dry skin. I get good sleep, proper diet with no medical illness still I have a very dull skin with some blackness.

I had a few boils in lower abdomen area which turned the skin dark after they were cured. Can you suggest OTC cream/ointment to get rid of dark spots

Ring worm type rashes spreading different tareas in body. Tried ring guard but not working. Infact skin is getting dark in such areas

There are patches in my underarms after 4 days of waxing. It is darkening. Even my bikini part is also darkened after the waxing. What could be the reason? Can this be cured?