Dandruff can cause pimples. Wash hair with an anti-dandruff shampoo (Nizoral or Selsun) twice a week if you have dandruff. Dandruff can cause pimples on the face, neck, shoulders and back.
Hair conditioners often contain silicone and oils that add smoothness and shine to hair. Silicone and oils can cause pimples. Wash your face with a face wash after rinsing off the hair conditioner.
Hair oil can trickle down the scalp to the forehead and jawline slowly and invisibly through the day. We are not talking dripping, we are talking slow, invisible trickle over the skin surface as you go about your day.
Coconut oil is often used as a hair oil in India. Coconut oil is highly comedogenic meaning it can majorly cause pimples and worsen existing ones. Avoid using it as a hair oil if you have acne anywhere on your face. A light hair oil to use is Garnier Ultra Doux Nourishing Oil. This oil still contains coconut oil, but the formulation is light enough. You can try jojoba oil as a hair oil. Jojoba Oil is considered safe for acne prone skin.
Avoid hair sprays if you have acne prone skin. The mist from the hair spray can get on the face and cause pimples. If you must use a hair product, use a hair setting gel instead of a hair spray.