Frequently Asked Questions Do different brush heads fit my Sonicare Sanitiser? You can easily use your Philips Sonicare Sanitiser for different types of brush heads. You should however, mind one thing. Use the Philips Sonicare brush head holder If you want to sanitise brush heads of two different types, use the appropriate brush head holder for each type. Sonicare e-series brush heads do not require a brush head holder.