The skin of his arm reddened with the heat.

He looked down at his hands; the skin was reddening already.

He looked, and saw that his skin was reddening slightly.

Tathagres did not resist, though her soft skin reddened under his fingers.

The skin reddened, the lips drew back into a snarl.

The skin of her bare arms and face reddened in the heat.

The skin over my father's cheekbones reddened, whether from embarrassment or fury I am still not sure.

Her face was ravished with tears, eyes swollen, skin reddened.

She grunted, and the skin on the back of her neck reddened a little.

Your skin might redden slightly after treatment, but there are no permanent side effects.