Hello doctors I am really worried about my skin tone because the hyperpigmentation is occurring around leg areas under knee and also on feet wherever is hair is growing I am 19 years old and I also shaved my hair with razor 2 3 years back and darkening is happening and my complexion is getting darker even without exposure to sun for long time. I have a yellowish white skin tone but I want pure white skin also but plzz help me to get rid of this sudden increase in melanin.