Acne 2 - a comparative study of tea-tree oil versus benzoyl peroxide in the treatment of acne found that 5% tea-tree oil and 5% benzoyl peroxide had a significant effect in ameliorating the patients' acne.
babushka - a woman's headscarf folded into a triangle and tied under the chin; worn by Russian peasant women. headscarf - a kerchief worn over the head and tied under the chin.
It literally means Grandma in Russian. The reason I bring this up, is because Americans tend to mispronounce the word. It should be BAH-bushka, not ba-BOOSH-ka. Ya lublu moyu babushku = I love my grandma ;)