The Science Journal

Why More Isn't Better: The Science of Particle Size and Grade in Hydroxyapatite Toothpaste

July 20, 2026

Why More Isn't Better: The Science of Particle Size and Grade in Hydroxyapatite Toothpaste

Walk down the "clean" oral care aisle today and you'll notice a quiet arms race playing out in the ingredient lists. Brands compete on hydroxyapatite percentage. 10%, 15%, even 20%,...

Dry Mouth, Thin Enamel, and the Modern Diet

June 23, 2026

Dry Mouth, Thin Enamel, and the Modern Diet

The underreported connection between ultra-processed food, mouth breathing, and accelerated enamel erosion and what you can actually do about it. Something has gone wrong with the modern mouth. Not in...

Micro-Hydroxyapatite: What It Is, How It Works, and What the Research Actually Found

June 11, 2026

Micro-Hydroxyapatite: What It Is, How It Works, and What the Research Actually Found

A science-grounded guide to the active ingredient at the heart of Peg Paste — and the clinical research behind it. Your teeth are made of minerals. Around 97 percent of...

June 04, 2026

WHY DO TEETH GO YELLOW?

Yellowing teeth are one of the most common oral care concerns and one of the most misunderstood. Most people reach for whitening strips, bleaching trays, or an in-chair treatment. These...

Why Hydroxyapatite Is the Smarter Choice for Sensitive Teeth

May 28, 2026

Why Hydroxyapatite Is the Smarter Choice for Sensitive Teeth

The sensitivity problem most people just accept Tooth sensitivity affects roughly one in three adults at any given time. That sharp, sudden pain when you drink something cold, breathe in...

May 27, 2026

Why whiten. Not bleach.

There's a meaningful difference between the two and it comes down to what actually happens on your enamel surface. Walk down any supermarket aisle and you'll find dozens of toothpastes...

The Science Journal

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