White woman wearing a top with an envelope pattern. The right side of her face is mostly pale.
White woman wearing a top with an envelope pattern. The left side of her face is flushed a much deeper shade of pink than the rest.
White woman wearing a top with an envelope pattern. The right side of her face is a different colour to the rest.
Single sided facial flushing; internet diagnosticians please let me have your best guesses! Left side of my face feels much warmer than the right. (On my radar but don't necessarily fit well: menopausal flushing, rosacea, degenerating mast cells)