Beardo Growth Coupon: Get Flat 30% OFF On Combo at Beardo using the latest coupon code, deals & offers from CouponZania. Also, get an extra 15% off using the coupon code at the checkout. Beardo Beard Growth Combo Contains. Beard Growth Oil (50ml) & Mustache Growth Roll-On (8ml). It Helps to grow Beard & Mustache Faster, Nourishes Your Facial Hair Use Overnight for Best Results.