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.
1 An acne treatment needs to contain at least 10% tea tree oil to fight acne infection. 2  Just smelling like tea tree oil does not mean a product actually fights acne infection. 3  Small amounts of tea tree oil that arenât enough to fight infection may still be enough to remove inflammation.