Peg-20 Hydrogenated Tallow Amine: 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: July 1, 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 Peg-20 Hydrogenated Tallow Amine?

Peg-20 Hydrogenated Tallow Amine is a surfactant made by taking animal-derived tallow, turning its fatty acids into amines, then adding about 20 units of ethylene oxide. The hydrogenation step saturates the fat so the final ingredient is stable and less likely to go rancid. Although traditional tallow comes from beef or mutton fat, some manufacturers now offer plant or synthetic versions to suit vegan or faith-based needs.

The cosmetic industry adopted ethoxylated tallow amines in the mid-1900s when formulators were looking for mild, skin-friendly cleansers to replace harsh soaps. Over time the ingredient proved useful not only for washing but also for keeping oil and water mixed, so it became a staple in personal care labs.

Production starts with cleaned and filtered tallow. The fat is hydrogenated to boost shelf life, reacted with ammonia to form amines, then ethoxylated until an average of 20 ethylene oxide groups attach to each molecule. The result is a creamy, wax-like substance that dissolves easily in water and oil.

You can spot Peg-20 Hydrogenated Tallow Amine in everyday products such as facial cleansers, shower gels, shampoos, makeup removers, sheet masks, body lotions and hand creams. It is also used in some anti-aging serums and aftershave balms where a light, non-greasy feel is desired.

Peg-20 Hydrogenated Tallow Amine’s Cosmetic Benefits/Uses

Formulators reach for this ingredient because it pulls double duty in a single scoop:

  • Cleansing: The molecule has both water-loving and oil-loving ends, so it lifts dirt, sweat and makeup from the skin or hair then rinses them away without leaving a tight feeling.
  • Emulsifying: By holding oil and water together it creates smooth, uniform creams and lotions that stay stable on the shelf and feel silky when applied.

Who Can Use Peg-20 Hydrogenated Tallow Amine

This ingredient is generally well tolerated by most skin types, including normal, oily and combination skin because it cleans without leaving a heavy residue. Sensitive skin often does fine with it too thanks to its mild nature, though people with very dry or compromised skin barriers might prefer richer, more replenishing surfactants to avoid extra tightness.

Peg-20 Hydrogenated Tallow Amine is typically sourced from animal tallow so products that use the standard grade are not suitable for vegans or vegetarians. Some suppliers now offer plant derived or fully synthetic versions which can be a cruelty free option, but the label has to specify this clearly for plant based users to be sure.

No data flag this ingredient as risky for women who are pregnant or breastfeeding when used in rinse-off or leave-on cosmetics at typical levels. Still this is not medical advice, and anyone who is expecting or nursing should show the full product ingredient list to a qualified healthcare provider before adding it to a routine just to be safe.

Peg-20 Hydrogenated Tallow Amine is not known to cause photosensitivity so it does not make skin more prone to sunburn. It is also compatible with most other common skincare actives and preservatives so layering it with other products is usually trouble free.

Potential Side Effects/Adverse Reactions

Reactions to topical Peg-20 Hydrogenated Tallow Amine vary from person to person. The issues listed below are only potential outcomes and are not expected for the average user when the ingredient is formulated and used correctly.

  • Mild skin irritation a temporary stinging or burning sensation can occur if the formula is too strong or left on the skin for an extended period
  • Contact dermatitis very sensitive individuals may develop redness itching or rash due to an allergic response to the amine portion of the molecule
  • Eye irritation if the product accidentally gets into the eyes it may cause watering or discomfort until thoroughly rinsed out
  • Excess dryness overuse in people with already dry skin can strip natural oils leading to flakiness or a tight feeling

If any unwanted reaction appears stop using the product immediately and consult a healthcare professional or pharmacist for guidance.

Comedogenic Rating

Rating: 1/5 Peg-20 Hydrogenated Tallow Amine is highly water soluble thanks to its 20 ethoxylate groups so it rinses away easily instead of building up inside pores. Its fatty portion is saturated yet the molecule as a whole behaves more like a mild detergent than an oily film former which keeps blockage risk low. This makes it generally acceptable for people who break out easily although extremely acne prone users may still prefer absolute zero rated ingredients.

Because the standard grade is animal derived its trace lipid profile can vary slightly from batch to batch but this has not shown a meaningful impact on clogging potential in routine cosmetic use.

Summary

Peg-20 Hydrogenated Tallow Amine serves mainly as a cleanser and an emulsifier. Its amphiphilic structure grabs onto oil and dirt while staying soluble in water so debris lifts away during rinsing. The same dual nature lets it hold oil and water together in creams and lotions giving products a stable smooth texture.

The ingredient has been a workhorse in personal care since the mid twentieth century. While newer plant based surfactants have stolen some spotlight it still appears in many mainstream cleansers shampoos and light lotions because it is reliable cost effective and easy to formulate with.

Most studies and decades of consumer use show it to be low risk when used at normal cosmetic levels though minor irritation can occur in sensitive skin. As with any new product it is wise to perform a quick patch test to check personal tolerance before full use.

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