Oral-B iO 溫和護理替換刷頭，2入，黑色

My gums used to ache after brushing with my old heads, but these extra-soft bristles have completely changed my morning routine. The high-density design feels noticeably more substantial than standard heads, and the black color looks sleek on my toothbrush.

The bristles are genuinely extra soft, but they still leave my teeth feeling squeaky clean after every use. The high density of the bristles is noticeable the moment you start brushing, and my gums have felt less irritated since switching.

I was worried the softer bristles wouldn't feel like they were doing anything, but my teeth have that just-left-the-dentist smoothness after every use. The head clicks on firmly too, so there's zero wobble while I brush.