The days of bringing back fridge magnets, key rings, or showpieces as travel souvenirs may be coming to an end. A new global trend is now being driven by beauty-conscious travelers.From Seoul to Paris, and even Colombia’s Cartagena, local pharmacies and cosmetics stores have become the main attractions for tourists. Their goal is simple: to collect viral and highly effective sunscreens and sun creams.Psychologists say that since around 2010, there has been a major shift in lifestyle. While getti...