FREE Sephora Collection Clay Mask! September 18, 2018 Coupon Caroline Freebies 1 This post may contain affiliate links or sponsored content. See Disclosure Policy. RUNNNN! Right now you can grab a FREE Sephora Collection Clay Mask!! You will need to like them on Instagram and then fill out a short form and it will be mailed in 4-6 weeks! Thanks, Deal Hunting Babe!!