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      learn Microneedling

      Technique that makes tiny punctures in the scalp with fine needles

      learn Neem Oil

      Oil from the neem tree, used in traditional remedies

      learn Azelaic Acid

      Acid used in acne and rosacea creams
      • azelaic acid: Can it help if my scalp is irritated or oily? Azelaic acid reduces inflammation in facial acne and rosacea, and one small uncontrolled study reported less facial oil, but it has not been tested on scalp irritation or oily scalp. A red, flaky or itchy scalp can be seborrhoeic dermatitis, psoriasis or infection, which have their own treatments.
      • Is azelaic acid safe to use daily long-term? Azelaic acid has a long tolerability record on facial skin in acne and rosacea, where side effects are local and usually mild — but for daily long-term scalp use the only trial is one six-month study in 26 women, in which mild itching was the main adverse effect, so long-term scalp safety is not established.

      learn Tretinoin

      Vitamin A retinoid cream, prescribed for acne