
Philips Sonicare
ProtectiveClean 4100
Affordable, durable, great clean; strong vibration and magnet issues.

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I also have a Philips Sonicare, for 5 years, and have liked it a lot more than others I’ve tried. Others I’ve had were the Quip subscription model (battery life got worse over time, and easy to break the mount for the heads), and an older model of Oral-B that doesn’t seem to currently exist (due to the shape it easily grew mold in the crevices). As the other replier says, I don’t know about the sustainability of creating them, I’m guessing they’re all bad, but if I don’t need to replace them often that improves things. It’s like buying a car: every car’s manufacture is horrible for the environment, but if you can keep one many years, then you’re not adding more carbon to the environment as frequently.
Seconding Quip! I have one of the smaller OG quips and it's so compact it would be dumb to bring a non-electric brush (IMO).
I have the smaller OG quip as my travel toothbrush as well. It doesn't get my teeth quite as clean as my big, heavy electric toothbrush, but the weight tradeoff is absolutely worth it.
I have a Quip toothbrush that I keep in my toiletries bag for travel. It's their most lightweight model. It isn't as good as my everyday use electric toothbrush, but it is better than a manual toothbrush. Mine uses a single AAA but I think that the newer models use a proprietary charging cable.
I used to use a quip (the small travel version). It wasn’t great, and I broke one trying to get it apart to change the battery. Recently I bought an Oclean travel toothbrush, it’s a lot better than the quip. Almost the same form factor and takes a usb-c so no extra cables. The brushing action is more rigorous than the quip - not as good as the larger toothbrushes like sonicare, but it’s decent for travel.
I switched from my reliable Braun to Quip about five years ago and have never looked back. Cleans great. It's the perfect travel toothbrush, comes in its own travel case that also serves as a self-adhesive mirror mount that you can attach and detach in two seconds and lasts for years. I use the disposable battery model and the battery lasts for at least 3 months. I think they also make a rechargeable one now but I've never tried it, the disposable battery option works great for me. Quip Sonic Toothbrush https://share.google/KjRWvn7bc9WfEjVl7 Edit: added link
More expensive version tracks your brushing and cleaning to see if you’re doing it properly, and gives you points you can redeem for other items in their store. The cheap version you can simply buy the toothbrush head replacements for likr 5? dollars (or 10, i forgot) and itll last you at least 3-4 months each. Plus the batteries are replaceable. So really, i just first bought the expensive one first, i think it was rechargeable, and after the battery agrd i just bought the cheap one and have kept the same habits i learned from the tracked one.
I like the Quip brand.
More expensive version tracks your brushing and cleaning to see if you’re doing it properly, and gives you points you can redeem for other items in their store. The cheap version you can simply buy the toothbrush head replacements for likr 5? dollars (or 10, i forgot) and itll last you at least 3-4 months each. Plus the batteries are replaceable. So really, i just first bought the expensive one first, i think it was rechargeable, and after the battery agrd i just bought the cheap one and have kept the same habits i learned from the tracked one.

Philips Sonicare
ProtectiveClean 4100
Affordable, durable, great clean; strong vibration and magnet issues.

Philips Sonicare
4100 Series
Affordable, durable, great clean; some find vibration unpleasant.

Oral-B
Pro 1000
Affordable, effective rotating clean, but loud with poor battery.

Oral-B
iO 3 Black Electric Toothbrush
Exceptional clean, gentle, but mold-prone with pricey heads.

Philips Sonicare
ProtectiveClean 6100
Gentle, advanced clean, good value, but bulky travel case.

Ranked #1
Oral-B - Pro 1000

Ranked #1
Philips Sonicare - Philips One Rechargeable Toothbrush

Ranked #1
Philips Sonicare - ProtectiveClean 4100

Ranked #1
Philips Sonicare - ProtectiveClean 5300 Sonic electric toothbrush

Ranked #1
Oral-B - iO 3 Black Electric Toothbrush

Ranked #1
Oral-B - iO 3 Black Electric Toothbrush