The spray can reduce the effects of humidity, thereby protecting papercrafts for a long time. It is suitable for matte, superfine, and regular paper. Too much of it will cause the paper to warp. This has only been tested on inkjet paper, not laser paper. Please refer to the website links for detailed features and prices.
Website：Product page, Google shopping
Name：Pastel fixa 100 ml
Features：Spray with sweet scent, Paper surface protection