nicely effective decently priced [SEP] along with the i had the chance to try out themountain falls sport sunscreen lotion spf single bottle we are a family of suncreen users mostly due to the fact that we are easily fried with extended outdoor exposure with the grandson doing all sorts of outside activities we need thisthe effectiveness from being sunburned appears to be the same as with the spf at least to our untrained senses i do understand it is more about how long the effectiveness lasts versus stronger coverage between the two six pack versus single for our family the six pack makes it much more affordable if you are going to use a lot choose that if you are just an occassional user buy the single