Sodium Hydrogenated Tallowate: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Sodium Hydrogenated Tallowate?

Sodium Hydrogenated Tallowate is the sodium salt that forms when hydrogenated tallow fatty acids react with a sodium-based alkaline solution. Tallow is the rendered fat of animals, usually cattle or sheep, and has long been valued for its rich blend of fatty acids. By hydrogenating the tallow, manufacturers make the fatty acids more saturated and stable, which helps extend shelf life and improve performance in finished products. The combination of these hydrogenated acids with sodium hydroxide produces a solid, soap-like material that is easy to incorporate into personal care formulas.

The roots of this ingredient go back to traditional soap making, where animal fats were boiled with lye to create cleansing bars. Modern processing refines and purifies the fats, then hydrogenates them to create a consistent quality ingredient suitable for large-scale cosmetic production. Today Sodium Hydrogenated Tallowate is most often found in bar soaps, facial cleansers, body washes, deodorant sticks and shaving creams where a firm, long-lasting base and reliable lather are needed.

Sodium Hydrogenated Tallowate’s Cosmetic Benefits/Uses

In skin and body care products Sodium Hydrogenated Tallowate serves one primary purpose.

Cleansing: It works as a surfactant that loosens dirt, oil and daily grime so they can be rinsed away with water. The ingredient produces a creamy lather that feels pleasant on the skin and helps leave it feeling clean without an overly stripped sensation. Its solid nature also contributes to the hardness and longevity of bar soaps, helping them maintain shape and last through repeated use.

Who Can Use Sodium Hydrogenated Tallowate

Sodium Hydrogenated Tallowate is generally suitable for normal, oily and combination skin because its cleansing action removes excess oil and daily buildup with ease. People with very dry or easily irritated skin may find it too stripping since soaps made with it tend to have a higher pH and can remove natural lipids, which may leave the skin feeling tight or dehydrated.

The ingredient is derived from animal fat, so it is not considered vegan or vegetarian friendly. Consumers who avoid animal-derived ingredients for ethical or religious reasons will want to choose plant-based alternatives such as sodium cocoate or sodium palmate.

Pregnant or breastfeeding women can usually use products containing Sodium Hydrogenated Tallowate without concern because it is not known to penetrate the skin in meaningful amounts. That said, this is not medical advice and anyone who is expecting or nursing should review all skincare products with a qualified healthcare professional to be sure they align with personal health needs.

Sodium Hydrogenated Tallowate does not cause photosensitivity, so it will not make the skin more prone to sunburn. It is also fragrance-free by nature and gluten-free, which may be useful for those with related sensitivities.

Potential Side Effects/Adverse Reactions

Side effects or reactions to topical Sodium Hydrogenated Tallowate can vary from person to person. The list below covers potential issues only and most users will not experience any of them when the ingredient is properly formulated in a finished product.

  • Dryness or tightness
  • Mild irritation or redness, especially on sensitive skin
  • Contact dermatitis in individuals allergic to animal fats or soap ingredients
  • Eye stinging if the lather accidentally gets into the eyes

If any uncomfortable reaction occurs stop using the product and consult a healthcare professional for guidance.

Comedogenic Rating

Rating: 2 out of 5

Sodium Hydrogenated Tallowate is made up of long-chain saturated fatty acids that could potentially sit on the skin and block pores, yet most of the time it is used in rinse-off formulas like bar soap that stay on the skin for only a short period. This quick contact plus the presence of lather-boosting alkaline salts lowers the chance of buildup, so its pore-clogging potential is considered mild rather than high.

People who are very prone to acne or fungal breakouts may prefer a lower-residue cleanser, but the majority of users will not notice new blemishes from this ingredient.

Because it is derived from animal fat the exact fatty acid profile can vary slightly batch to batch, which may explain why a few individuals report more congestion than others.

Summary

Sodium Hydrogenated Tallowate is a cleansing surfactant that lifts away oils, dirt and daily grime while creating a dense creamy lather. Its solid structure also hardens bar soap so each bar lasts longer in the shower or at the sink.

The ingredient remains common in traditional soaps and shaving bars, though many newer brands now favor plant-based or synthetic alternatives to accommodate vegan preferences and lower the product pH.

Safety studies and decades of household use show it is generally well tolerated when properly formulated. Still, skin can be unpredictable so trying any new product on a small patch first is a smart habit.

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