Arnica Oil is fantastic light and easily absorbed oil produced by maceration of Arnica Montana flowers in Sunflower oil. Arnica has been used as an herbal remedy for acne for centuries, and has been suggested to be safe and effective. The primary benefit of arnica for acne and wound healing is that it is a powerful anti-inflammatory. You can rub it on a wounded area and also on your face as an acne treatment if the region is inflamed.
Add 5-6 petals or 3-4 tsp of it to the boiling water or 2-3 tsp of essential oil if you find it in this formula, then steam your face for about 8-10 minutes to make sure it exercises its miraculous effect. Besides the reduction of the visible effect of pimples, it would also minimize the pain and inflammation as the main symptoms of acne.