Georges Brunel notes that 'Perronneau's pastels always look somewhat unfinished, or weathered by time', and adds: 'Misleading impression, as it is probably a deliberate choice of style and technique.
According to Georges Brunel, Perronneau's pastels often have an unfinished or aged appearance, but he clarifies that this is likely a deliberate artistic decision rather than a sign of imperfection.