Sebaceous cysts are benign lesion containing sebum due to a blocked sebaceous gland. Sometimes inaccurately used to refer to epidermoid cysts, which do not arise from sebaceous glands and do not contain sebum. As you mentioned you are already on Homoeopathic treatment but with no benefits, it's because the doctor might not be able to track your disease diagnosis or decide on treatment options.
Next Steps
Typically the condition remains asymptomatic but can become inflamed. If you have any symptoms then I can help you with the same with 3-4 Teleconsultation sessions.
Health Tips
Diagnosis is very important as to decide on the progression and outcome of the treatment.