While we don’t often see them in the hobbyist community, 3D printers that can extrude gels and viscous liquids have existed commercially for years, and are increasingly used for biological research.

Dear Dr. Reitz: I read a warning on Facebook concerning Crest 3D toothpaste containing blue plastic particles that are getting stuck in people’s gums. Is this a problem you have encountered in your ...

NOBS is an oral care company dedicated to creating high-efficacy, non-toxic hygiene products. Best known for their flagship hydroxyapatite toothpaste tablets, the brand focuses on sustainability, ...

Chelsea Rae Bourgeois is a registered dietitian nutritionist with several years of experience working in the clinical setting. Once a track and field athlete on a competitive stage, she now finds joy ...

Top-end toothpaste at a palatable price is a rare treat - but that's exactly what Amazon is offering up right now. Oral-B's Pro 3D White Clinical Bright Brilliance Toothpaste is down to £7.20 from £20 ...

Charcoal toothpaste can remove some surface stains on your teeth, but it doesn’t whiten teeth better than regular toothpaste. Its long-term effects are unclear. Charcoal is one of the biggest trends ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s covered the ...