We are all trying to move away from glitter which most likely ends up in landfill or the ocean and will be around for centuries to come.  Mica is a natural mineral which is flaked to produce the finest shavings which are gentle in colour and texture and will not damage the planet.  This little box which weighs just about 10 grams will give you plenty of old fashioned glitter 

Natural Mica Glitter Snowflakes