Improper Application
When it comes to choosing a sunscreen, you have a wide array of options to consider, ranging from different levels of strength to various application styles. The choices can be overwhelming.
If you decide to go for spray-on sunscreen, it is crucial to ensure that you adequately cover your entire body. Otherwise, you may end up with undesirable outcomes similar to the ones depicted here. It appears that the person in the picture neglected to hold the spray bottle at a sufficient distance or did not rub the sunscreen in properly. To be fair, it's much easier to spot the areas you missed once you've already suffered from a sunburn.