Heres the thing. It work's good for a small to medium nose. As long you put on right it has more good affects. I didnt really use any but a couple was because my problerm is bigger not just alittle snoring. but I think it will be find. If you want google it and maybe there be more answers there.
as far safe yes they r. I double checked and read it. they r like band-aids instead when put on properly open up the nostral passage ways to help with breathing when sleeping