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.
Apply tea tree oil directly to pimples (for more than 15%, dilute with water). Tea tree oil can be applied directly to pimples for an effective and natural acne treatment. It contains natural antibacterial properties which make it an excellent alternative to harsh synthetic chemicals.