This toothbrush has soft blue bristles so you can help find your own 100 biodegradable toothbrush with soft high quality bristles and ergonomic bamboo handle the brush can be used by all family members even the smallest nordics kids are suitable for children above 3 years we recommend you change your toothbrush every 60 days and always after illness fibre brushes are tapered at the edges to clean under the gum where tplaque and food residue collects not tested on animals suitable f