Hark & Zander HempTonic Face Oil is 100% natural. We don’t add a single synthetic ingredient to preserve it which means no nasties go on your skin. This in turn means the shelf life for HempTonic Face Oil is three years from production.  Once opened, HempTonic Face Oil will last for three to six months. But we think you’ll love it so much as your primary skincare solution that you’ll go through it much faster. If you use it morning and night as your cleanser and moisturiser, you’ll be replenishing your supply monthly.  We hope to launch a points system for those who replenish their stock regularly so sign up to our H&Z Newsletter and you’ll be the first to know when we offer it, plus you’ll get 10% off your first purchase .