It seems that you are having capillary haemangioma.
It is also called nevus
flammeus or portwine stain.
It is a benign condition and may remain life long without change.
It is harmless condition and may be kept untreated.
Some time it may fade without treatment.
It can be covered with opaque cosmetic cream like covermark.
However, it can be removed by Laser therapy
You consult dermatologist
for perfect diagnosis and treatment.
I hope you got my answer.
Dr. Ilyas Patel MD