P> Back under the skin, things get uglier when the oil mixes with cells lining the follicle, making a comfortable environment for bacteria to move in and cause inflammation.

• 在皮肤表层下面，当油脂与含有毛囊通道的细胞混合后，这里将给细菌的进入提供适宜的环境，从而导致发炎。