Thanks for the query.
MPB is an increasing problem in today's society.
Hair care is a daily ritual shaped by age, gender, socioeconomic status and internal health.
The treatment typically consists of usage of oral medication (Finasteride) and topical lotion (Minoxidil ). The dosage and duration is decided by your dermatologist. You need to be patient with the treatment protocol as it takes months to see initial improvement.
Certain dermatologists supplement biotin, hair serum and advice procedures like PRP therapy which may accelerate the rate of hair growth. PRP needs multiple sessions roughly at 6 weeks intervals.
PRP therapy is increasingly being accepted by dermatologists all over the world.
Apart from active pharmaceutical medicines, a healthy diet and lifestyle is mandatory to achieve results.
For scalp lesions, based on your description it looks like a superficial bacterial infection usually caused by staphylococcus aureus. Sometimes they co-exist with fungal folliculitis.
Kindly consult a dermatologist for exact diagnosis and a precise treatment plan.
Its also important to prevent their relapse once you have got it cured. A decolonization regimen suggested by your doctor will help.