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.
In fact, one major study found that tea tree oil was almost six times more effective than the placebo in treating mild to moderate acne! My top four essential oils for acne will nourish your skin and fight the causes of acne naturally, without adding insult to injury with skin-irritating products.