Peg-20 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 Tallow Amine?

Peg-20 Tallow Amine is an ingredient created by reacting animal-derived tallow fatty amines with about twenty units of ethylene oxide. The process, called ethoxylation, adds short chains of oxygen and carbon that make the final compound water-friendly. Manufacturers began using ethoxylated tallow amines in the mid-20th century when they were looking for versatile, cost-effective helpers that could improve the feel and stability of personal care formulas.

Commercial production starts with rendered tallow, usually from beef. The fatty acids are converted to amines, then treated with ethylene oxide under controlled heat and pressure. The result is a waxy or pasty material that blends well with both oils and water.

You will most often see Peg-20 Tallow Amine in hair care such as shampoos, conditioners and leave-in sprays, where it helps reduce static cling. It can also appear in cream cleansers, styling gels and some fabric-touching products like hair protectant mists.

Peg-20 Tallow Amine’s Cosmetic Benefits/Uses

This ingredient is valued mainly for one key role in beauty formulas.

As an antistatic agent Peg-20 Tallow Amine coats hair fibers so they repel unwanted electrical charges. This keeps strands from flying away, makes combing easier and gives hairstyles a smoother, sleeker look.

Who Can Use Peg-20 Tallow Amine

Because Peg-20 Tallow Amine mainly sits on the surface of hair strands to fight static it is unlikely to upset any particular skin type when used in rinse off or leave in hair care. Dry or damaged hair may even appreciate the softer feel it gives. That said, people with very sensitive or allergy-prone skin should keep an eye out for redness or itching around the hairline, as they might with any surfactant or conditioning agent that contains residual fatty amines.

This ingredient is made from animal tallow so it is not suitable for vegans or strict vegetarians. Anyone following a plant-based lifestyle would need to look for a synthetic or plant derived alternative clearly marked on the label.

Current safety data do not flag Peg-20 Tallow Amine as a risk for pregnant or breastfeeding women when used in topical cosmetic amounts. Still, this is not medical advice and anyone who is expecting or nursing should ask a healthcare professional before adding new products to their routine just to be safe.

Peg-20 Tallow Amine does not absorb light in the ultraviolet range and has no known links to increased photosensitivity. Users do not need special sun precautions beyond normal daily SPF recommendations.

Potential Side Effects/Adverse Reactions

Side effects from topical Peg-20 Tallow Amine vary from person to person. The following list covers potential issues only and most users will never notice them when the ingredient is used correctly in a well formulated product.

  • Mild skin or scalp irritation, especially on very sensitive skin
  • Eye irritation if the product accidentally gets into the eyes during use
  • Allergic contact dermatitis in individuals who are specifically sensitised to tallow derivatives or ethoxylated compounds

If any itching burning or swelling occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5

Peg-20 Tallow Amine is largely water compatible thanks to its ethoxylated structure which keeps it from forming a heavy greasy film on skin. It is used in small amounts in hair products rather than facial creams so direct, prolonged contact with pore-rich areas is minimal. These points place it at the low end of the comedogenic scale.

Most people prone to acne or breakouts should not notice clogged pores from this ingredient, though individual reactions can vary.

Because it is animal derived anyone with sensitivities to tallow or similar materials should stay alert for irritation that can indirectly worsen blemishes.

Summary

Peg-20 Tallow Amine works as an antistatic agent that coats hair shafts, neutralises electrical charges and leaves strands smoother and easier to manage. Its amphiphilic nature lets it cling to hair while still rinsing cleanly in water based formulas.

The ingredient is fairly niche, appearing mainly in budget friendly shampoos, conditioners and styling sprays rather than high profile skincare lines.

Current data show it is generally safe for topical use with only rare reports of irritation or allergy. As with any new cosmetic, perform a small patch test first to make sure your skin agrees with the product.

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