"Guido Reni was the leading exponent of a style known as ‘Bolognese Classicism’ which rejected the realism of much Baroque art in favour of a more idealised beauty, derived from Raphael and the Antique.
St. John the Baptist, who lived as a hermit in the wilderness where he preached of the coming of the Messiah, was a subject Reni painted several times. The figure of the youthful saint is on a heroic scale (literally larger than life) and dominates the space with his simple, sweeping gesture.
The silvery tonality of the colours, the pearly flesh and sketchy brushstrokes are associated with Reni’s late ‘unfinished’ manner."