Their are many question unasked from you like is their itching in this , is this spreading or localised, how it would started, what treatment have you taken and redness is present in this or not . So, we made clearly diagnosis that it is vitiligo, leucoderma or only tinea means fungal?
Next Steps
do consult on Practo for detailed case question or text me on my Insta id jovi_healthcentre.