keep it in a refrigerator and it will last 10 times as long not the best sealer for most applications five stars once you use ultrablack you never go back five stars 2009 mustang shows after being polished with mothers is amazing the best guitar polish it makes the vehicle stand out and does a great job protecting the finish it gives such a deep shine and good protection for the paint works great for many repairs note buy this from your busiest auto parts store my favorite wax and ive used them all read my detailing tips below and youll get the most out of this wax good product