STEP 1 Wash your hair every second or third day to avoid stripping away the natural oils.

每隔一天或两天洗一次头，避免洗掉头发上天然的油脂。

And when you stick a Q-tip in there, you're actually stripping those oils that are naturally produced.

当你把棉签插进去时，你实际上是在剥离那些自然产生的油。