Identify the Cause
a. Common causes for ring-like skin lesions include fungal infections (e.g., ringworm) or eczema.
b. Consider consulting a dermatologist for an accurate diagnosis.

Treatment Options
a. For fungal infections: Use an over-the-counter antifungal cream (e.g., clotrimazole) twice daily for 2-4 weeks.
b. For eczema: Apply a moisturizing cream and consider a mild topical steroid if inflammation persists.

General Care
a. Keep the affected area clean and dry.
b. Avoid tight clothing to reduce irritation.

Seek Medical Advice
a. If symptoms worsen or do not improve, consult a healthcare professional.