eCosmetics is an authorized retailer of DS Laboratories. Spectral.BROW serum promotes thicker-looking eyebrows that can help structure your face and draw attention to your eyes. Recent breakthroughs in biotechnology allow for thicker, fuller brows, rendering eyebrow makeup a thing of the past.This formula has been encapsulated in our proprietary Advanced Nanosome Delivery System which offers higher penetration for maximum results. Our proprietary easy-to-use applicator dispenses a precise dosage to each eyebrow, improving bioavailability and avoiding cross-contamination.