Lanolin vs. Tallow: Wool Wax and Beef Fat Compared

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Lanolin and tallow both come from animals, and both have a long history in skincare. They’re often grouped together as animal fats. Strictly speaking, though, only one of them is a fat. Here’s a fair look at each.

What lanolin is

Lanolin is a natural wax made by glands in a sheep’s skin. It coats the wool and helps the fleece shed water.

• It’s collected from shorn wool, which is washed to release the wool grease
• The grease is separated out and then purified
• Older texts often call it “wool fat,” and labels list it as lanolin

Why lanolin is a wax, not a fat

Fats, like tallow and olive oil, are made mostly of triglycerides: glycerol joined to three fatty acids. Lanolin contains no glycerides. It’s made mostly of esters of sterols, such as cholesterol, and fatty acids, which makes it a wax by chemical definition.

What tallow is

Tallow is rendered beef fat. Raw fat is slowly melted, strained, and left to set. It’s a true fat, made mostly of oleic, palmitic, and stearic acids. For another side-by-side, see shea butter vs. tallow.

Texture and scent

• Lanolin is thick and somewhat sticky, and it melts at around body temperature
• Its color and scent depend on how purified it is, and the most highly purified grades are white and close to odorless
• Tallow is firm in the jar and softens with warmth
• Well-rendered tallow has a mild, faint scent

How each is typically used

• Lanolin: lip products, cosmetics, baby skin products, leather care, and rust-preventing coatings
• Tallow: balms, soap, cooking, and, historically, candles

Lanolin also played a part in skincare history. An emulsifier made from it helped make one of the first stable, mass-produced creams, a story we tell in a short history of the drugstore moisturizer.

A note on sensitivity

In 2023, the American Contact Dermatitis Society named lanolin its Allergen of the Year. Reactions are thought to be uncommon on skin in good condition but more likely on skin that’s already irritated. Whatever you choose, lanolin or tallow, patch test it on a small area first.

Who might prefer which

• If you avoid all animal-derived ingredients, you’ll likely skip both
• Lanolin comes from wool, so some people who avoid meat by-products are comfortable with it
• Tallow comes from cattle raised for beef, which appeals to people who like a nose-to-tail approach

Most Reyic balms are grass-fed tallow and olive oil, handmade in the USA. Some jars add named essential oils, and Au Naturel is unscented.

FAQ

Is lanolin a fat?

Not strictly. It’s often called wool fat, but it has no glycerides. Chemically, it’s a wax.

Do lanolin and tallow feel the same?

No. Lanolin tends to feel thick and tacky. Tallow is firmer in the jar and turns glossy when warmed between your fingers.

Where should I start with Reyic?

Start with Au Naturel, the unscented jar, or compare every balm in the grass-fed tallow balm collection.

For a hands-on comparison, read tallow balm for winter-cracked hands, or try a jar of Au Naturel.