As a teenager, I had the problem of severe acne. Allopathic medicines in the form of lotions and anti-allergic drugs did not help. Homoeopathic treatment helped but only temporarily. Finally, I tried treatment with turmeric paste and sandalwood paste. Regular application of this twice a week over the last 5 years has kept me perfectly free from acne. No further recurrence.
For the benefit of others !!