Words cannot express how happy I am with Keeko’s products. I became obsessed since first brush. My sensitive gums really appreciate the soft bristles, however it really gets the job done and cleans so well. I also love the tooth paste. It really leaves my breath fresh, and leaves my teeth squeaky clean. Bonus points for the Botanical Whitening Pen. With continuous use, I’ve seen a noticeable difference in the color of my teeth. I seriously love Keeko!