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.
Tea tree oil has a number of advantages over other spot treatments. Tea tree oil gets rid of redness while it kills acne bacteria. Benzoyl peroxide kills acne faster slightly faster, in about 48 hours instead of tea tree oilâs 72, but can actually make pimples redder while they heal. Acne spot treatments are good for cosmetic emergencies. 2  Tea tree oil âgets the red out,â but most products donât contain enough tea tree oil to do any good. 3  Tea tree oil has to be at least 10% strength to work.