Amazon offers the Olay Professional Pro-X Replacement Brush Head 2-Pack for $1.74 with free shipping via the directions below. That's tied with our mention from a month ago as the lowest total price we've seen. (It's also about $5 less than you could expect pay in local stores.) These heads are for use with the Olay Professional Pro-X advanced cleansing system. To get this deal:
  1. View the Olay Professional Pro-X Replacement Brush Head 2-Pack for $4.99
  2. clip the $3 off coupon on the product page to cut it to $1.99
  3. add it your cart via Subscribe & Save for a final price of $1.74
Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.