Over time, cedar exposed to these elements can start to fade, crack, or dry out, so Cedar Oiling helps by reintroducing essential moisture, preventing the wood from drying out and losing its color. Over time, cedar exposed to these elements can start to fade, crack, or dry out, so Cedar Oiling helps by reintroducing essential moisture, preventing the wood from drying out and losing its color. Over time, cedar exposed to these elements can start to fade, crack, or dry out, so Cedar Oiling helps by reintroducing essential moisture, preventing the wood from drying out and losing its color.