Thanks for the query.
This presentation can be seen with many diseases. This is limited information to make precise recommendations. The best option is to consult a Dermatologist to understand the condition. A thorough evaluation if necessary should be done. Hope it helps you.
Vitiligo should be ruled out.
Next Steps
Your dermatologist will decide a treatment plan for you after a consultation.
Health Tips
All the best. Avoid self-medications.