Garlic Mash a garlic clove and then rub it on the pimple. It will reduce the pain and also diminish the pimple on the scalp.
Tea Tree Oil  Mix tea tree oil with olive oil and massage on the scalp. It is one of the home remedies to treat scalp pimples and dandruff
Neem Concoction  Boil neem leaves in water for 30 minutes. Now strain and make a paste of the leaves. Apply the paste on the scalp especially on the pimple and leave for 30 minutes. Neem has antibiotic and antiseptic properties which cleans the scalp.
Papaya   Ground a slice of papaya with its seeds and skin. You can also mash a ripe papaya to make a thick paste. Apply it on the scalp pimple to get instant relief from it.
Lemon Juice  Applying lemon juice is one of the best home remedies for treating scalp pimple. Lemon juice cleans the scalp, treats acne and pimple breakouts.
Tomato Mash ripe tomatoes and massage your scalp with it. Leave for an hour and then rinse with cold water. It is an effective home remedy to treat scalp pimple.
Rose Water You can rinse your head with rose water or simple apply a drop of it on the pimple. It soothes the pimple and treats it.