Olfactif Flash Sale: Save 10% On Subscriptions! Posted by Hello Subscription on July 17, 2017. Subscription Box Coupons & Deals / Olfactif Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Olfactif is having a flash sale! TODAY ONLY use coupon code JULYLOVE at checkout to save 10% on 3+ month subscriptions! This works on unisex or masculine subscriptions!