Sometimes not having enough vitamin D3 can cause people to lose their hair. You should keep taking the vitamin D supplement as the doctor told you. You should try to eat more foods that have iron and protein in them as well. One thing that might help is finding ways to relax when you are stressed. 

Its natural to experience discoloration in skin especially after a blister or wound has occurred. color changes during the healing process. It could be due to hyperpigmentation which is the increased production of melanin in that area. This can result in a bruise-like appearance.

If you have dark spots on your face, which could be caused by your sebaceous glands being blocked or the skin gathering too much pigment, they probably are. Face cleaning and protection from the sun are the two main prevention methods for infinite spots. You want a cream that includes retinol, A, not to forget vitamin C, to ensure it will lighten the color in time. 

If you are not satisfied with the shape or size of your nose, it is recommended to visit a certified plastic surgeon who specializes in rhinoplasty procedure (nose surgery). They can diagnose your particular needs and discuss the possible interventions

Pigmentations are due to various reasons, Have to find out the underlying cause and treating the cause would be the primary approach Along , will start with depigmenting cream and sunscreens. Would suggest - Peels ,hydrafacial MD to see faster results. You can also visit the dermatologist near your place or have a video consultation with best dermatologist in Jodhpur Lake, Kolkata. Hope this answer helps you.

Your piercing might cause some trouble. Sometimes, the hole on top of your skin may close up while the earring remains stuck from behind. This can happen when the skin wraps around the back of the earring. You might experience pain, redness, or swelling. To solve this, you can gently try pushing the earring out from the back or seek help from a professional piercer. Never force it out, as that can cause more harm.