Sisley-Paris 1 fl. oz. Instant Eclat Glow Primer Instant Eclat is both an illuminating primer and radiance-boosting skin care. A luminous complexion is easily achievable - including reproducing the same effects taught by professional make-up artists with just one step & product. Instant Eclat immediately revives the complexion's radiance, erases shadowy areas and signs of tiredness, while it smoothes and evens skin texture. A complex of key skin care ingredients (Kiwi extract, Butcher's.