Our Journal

Hair density is how many strands you have, and hair thickness is how wide each strand is. They sound similar, but they're two different things, and mixing them up leads to the wrong styling and product choices. Here's how to tell them apart and work with what you've got.

Scalp massage is one of the simplest habits you can add to a hair care routine, and the research behind it is more modest than the headlines suggest. Here's what the studies measured, how to massage your scalp gently, and where cosmetic scalp serums fit in.

The gut-skin axis is the research idea that your gut and your skin are connected, with signals that may run in both directions. This guide explains how gut microbes, short-chain fatty acids, and the immune system fit in, what research can say so far, and simple habits for healthy adults who want to care for both.

Choosing a urolithin A supplement starts with knowing what to check. Learn how to compare ingredient labels, amounts per serving, product formats, and third-party testing—and what current research can tell you.

Partially hydrolyzed guar gum (PHGG) is a soluble prebiotic fiber, sold under names like Sunfiber, that dissolves clear and adds fiber to foods and drinks without thickening them. This guide explains what PHGG is, how it differs from regular guar gum and psyllium, and what early research in healthy adults suggests.

Pterostilbene and resveratrol are closely related plant compounds, but they differ in structure, how well they are absorbed in research, and how much human evidence backs each one. This guide compares the two for healthy adults and shows how both fit into InfiniWell's NMN formula.

A gut microbiome test reads the microbial DNA in a stool sample and turns it into a report of organisms, diversity, and population balance. This guide explains what those numbers mean for healthy adults, why results differ between labs, and how to compare kits before you order.

Mitophagy is the process cells use to remove and recycle worn mitochondria. Learn how it works, how it differs from autophagy, and what current research suggests about exercise, fasting, and certain supplement ingredients.

Want to support how your cells make energy? The habits that help most are the ordinary ones: regular movement, varied meals, good sleep, and daylight. Here is a practical, habit-first guide for healthy adults, with an honest look at where supplements like NMN and urolithin A fit.

Noticing more hair in your brush as the weather cools? Seasonal hair shedding is a pattern researchers have observed in the hair cycle, though it looks different for everyone. Here is what the studies say, how long a seasonal change tends to last, and how to keep scalp care gentle and consistent.