Variously called Death Day, Decision day, and a number of other less kind words, D-Day was the day that the Allies began the big push from the coast of France all the way to the heart of Germany, ending WWII.
More importantly when it comes to cystic acne, tea tree oil can be harmful to your skin when applied in high concentrations. Some individuals have reported severe skin irritation and allergic dermatitis after applying too much tea tree oil, or applying the proper dose too frequently.
She recommends dabbing tea tree oil on the affected areas, waiting 15 minutes, and then applying glycolic acid. Make sure the skin is perfectly clean before beginning, she adds. Tea tree oil can also be used preventively, Harper says. If you're acne-prone, apply it regularly to keep breakouts from occurring.. For occasional flare-ups, an application of tea tree oil should show results within a day. Just make sure that you don't pick at your skin, Harper warns.