Anhydrous means “without water.” In skincare, that translates to super-concentrated oils, butters, waxes, and active ingredients that pack a punch. Because there’s no water, these formulas are stable, potent, and preservative-light — but using them correctly makes all the difference. Read further to learn more about how they work, how to care for them, and a few insider tips to make them shine. Plus, a little reader discount awaits at the end.

Beef tallow has surged in popularity in handmade skincare, often marketed as “ancestral” or “superior.” This article explores what tallow actually does for skin, why its benefits aren’t unique, and how thoughtfully formulated plant-based oils can deliver consistent, evidence-based results—without relying on trends or marketing hype.