What are the tiny beads that are enclosed in the stopper? Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest Tumblr Share on Tumblr Email Share via Email Tagged General Questions Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest Tumblr Share on Tumblr Email Share via Email The tiny beads are made up of silicon dioxide. They help retain any moisture present within the tube. Silicon dioxide is non-toxic.
