Part of the gold layer diffuses with the skin oils, while the rest remains free.

部分金层会随着皮肤油脂扩散，而其余的金层仍会游离。

Or these, that munch our skin oils and give off our characteristic body odors.

或者这些，它们咀嚼我们的皮肤油并让我们散发出独特的体味。

" Skin hydration and skin oil production are separate issues, " explains Dr. Zeichner.

“皮肤水合作用和皮肤油脂生产是不同的问题， ” Zeichner 博士解释说。