Shnoop offers the Colgate 360 Optic White Vibrating Toothbrush 6-Pack
, model no. P9890740, for $18.99. Coupon code "sdcolgate2" cuts the price to $16.99
. That's $2.83 per brush and tied with our mention from last week as the lowest total price we've seen. (It's a current low by $9.) Each runs on an Energizer AAA battery (one included with each toothbrush).