For use with the Blue Light Whitening Toothbrush (Item No. 203561);A powerful whitening treatment that works while you brush;Add to your favorite toothpaste every day to whiten as you brush;The built-in blue light amplifies the gel's whitening action

• Go Smile Extra Whitening Gel for the Blue Light Whitening Toothbrush 3.5 oz
• 100g/3.5oz

Go Smile Extra Whitening Gel for the Blue Light Whitening Toothbrush 3.5 ozGoSmile, Inc.