Users of tretinoin have to avoid sunlight, as the skin can tan.

His hair was dark and curling, his skin lightly tanned.

Maybe the animandroid skin didn't tan like the real thing.

His hair was a rich black, his skin tanned and unlined.

Her olive skin had tanned to a deep golden brown.

Her olive skin was evenly tanned from head to foot.

I've never seen anyone's skin tanned quite that color.

Her skin had tanned red-brown from a summer of outdoor activity.

She was tall and strong, her skin deeply tanned.

Terry spent a lot of time outside, but his skin never exactly tanned.