Keywords Double-ended Brush & sponge applicator Type Makeup Brush What it is Top Secrets Satin Glow Brush is an exclusive, double-ended applicator for on-the-go application both day and night. What it does With two ends, the brush end for a pre-makeup application or the sponge to deliver a radiant touch up post-makeup. Simple and effective for the on the go woman in search of instant beauty results.