Primary ingredients include: Polyvinyl Acetate (PVA), BoraxMay also contain: Colorant, Fragrance Oil (may contain peanuts), Mineral Oil, Glycerin, Alumina Silicate, Non-Toxic Craft Materials, Non-Toxic Absorbent PolymersSlime is not recommended for those with eczema (sensitive skin) or who may have allergic reactions to the ingredients listed above. Slime is recommended for ages 8+ and up.