I feel that you may be having TINEA VERSICOLOR
It is superficial fungal infection
There mild scaly patches.
They may be reddish,blackish or hypopigmented.
It is caused by fungus..melassezia furfur.
Antifungal tablets,cream and shampoo are used to cure tinea versicolor.
You may be cured.
I hope you got my answer.
Dr.ilyas Patel MD