Free Paste when you spend over £100 on iO Toothbrushes and Toothbrush Heads ; Free Oral Health Bundle (Floss + Mouthwash) when you spend over £130 on selected iO Toothbrushes ; Free iO Toothbrush Heads or Kids Toothbrush when you spend over £180 on selected iO Toothbrushes ; Save up to 60% off