Help me plzz . I can not wear sleevless shirts .

Patient: Hello,,I have a very irritating problem . It is my so dark underarms . I just hate them . I tried everything from exfoliating to changing the deodorant and nothing worked for me . I am not over -weight . I weigh 45 kilo and my hight is 155 cm.

Symptoms: They look soo dark and it touches like chicken skin . There is a huge difference between my skin tone and them ( ugly underarm ) .

Images:
Help me plzz . I can not we...-1

Doctor: