Stack on infinite layers of volume + length with MACStack Mascara in an iconic Chestnut hue. This endlessly buildable, clump-resistant formula is available in the best-selling Superstack Mega Brush to give you customizable volume from natural to next-level and is ideal for longer or upper lashes. Inspired by MAC's legendary Lip Pencil in Chestnut, this iconic brown mascara delivers an impactful-yet-natural look. Key Claims and Benefits: 95% saw endlessly buildable volume* 24-hour wear Clump-resistant Flake-resistant Ophthalmologist tested *Consumer testing on 111 women after using Superstack Mega Brush for one week. How to Use: Start with clean skin and remove any excess oil or residue from your lashes. Wipe excess product from mascara wand. Do not pump the wand. Holding the wand horizontally, brush from roots to tips – wiggling the wand in a zigzag motion to coat each lash. Apply another coat using the same technique. Turn the wand upright and use the tip to fan out lashes, focusing on the inner and outer corners. Repeat the process until you achieve your desired look. Happy stacking! 0.4-oz.