Review, , I received this product from SNP and Picky in exchange for my honest review., What it is, An under eye patch for blemishes, dark spots, puffy eyes and snp shining nature purity [K Beauty Snp] Glutathione Dark Zero Toning Eye Patch Nourishing Under Eye Patches for Blemishes and Dark Spots Under Masks for Puffy Eyes and Dark Circles , Your first step to smooth, flawless skin starts here with our Snp Glutathione Dark Zero Toning Patch!, Clinically Proven to Reduce Dark Spots, Pigmentation, and Under Eye Circles , Visible dark Brighten and even your complexion with SNP Glutathione Dark Zero Toning Patch! STEP 1 Niacinamide : Reduces the transfer of melanin to the skin's surface. STEP 2 99%