Ingredient review

PEG-20 Hydrogenated Tallow Amine

INCI: PEG-20 Hydrogenated Tallow Amine

An effective emulsifier and conditioner, but may cause irritation or clog pores for sensitive or acne-prone skin.

beautyskincaresurfactant

In plain English

PEG-20 Hydrogenated Tallow Amine is a synthetic ingredient made from hydrogenated tallow (a processed animal fat) combined with ethylene oxide. It helps oil and water mix together in products like shampoos and conditioners, and it can also reduce static in hair. However, because it is a surfactant, it may strip natural oils or cause irritation for some people, especially those with sensitive or acne-prone skin.

Review score

Safety, usefulness, and evidence

3.5Good
3.5/ 5

Potentially useful with some tradeoffs

The evidence base is useful, but some claims depend heavily on the formula.

Main practical flags: irritation is moderate; clogging risk is moderate.

Source
synthetic
Evidence
moderate
Irritation
moderate
Clogging risk
moderate
How reviews are scored

Quick decision guide

Useful, but context matters

PEG-20 Hydrogenated Tallow Amine can be useful, but watch for some irritation potential and possible clogging concerns.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging PEG-20 Hydrogenated Tallow Amine.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

moderate

Can bother some users, especially with frequent use, damaged skin, or strong companion ingredients.

Clogging risk

moderate

May be fine for many users but deserves caution if you are breakout-prone.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A synthetic surfactant and emulsifier created by reacting hydrogenated tallow (a processed animal fat) with 20 units of ethylene oxide (PEG-20). It belongs to a class of ingredients called ethoxylated amines.

How it works

It reduces the surface tension between oil and water, allowing them to blend into a stable emulsion. In hair products, it also has antistatic properties, helping to reduce frizz and improve manageability by coating the hair shaft.

Pros

Effective emulsifier

Helps create stable, well-mixed formulas that feel smooth and consistent on skin and hair.

Reduces static

In hair products, it helps control flyaways and frizz, making hair easier to style and manage.

Cons and cautions

Potential irritant

As a surfactant, it can strip natural oils and cause irritation, redness, or dryness for sensitive skin types.

May clog pores

Its comedogenic rating is moderate, meaning it could contribute to breakouts for acne-prone individuals, especially in leave-on products.

Best for

  • People with normal to oily hair looking for static control
  • Those using rinse-off products like shampoos and body washes

Use caution if

  • Individuals with sensitive or reactive skin
  • Those prone to acne or clogged pores
  • People seeking exclusively plant-based or natural ingredients

Usage tips

Best used in rinse-off products like shampoos and body washes to minimize skin contact time.
If you have sensitive skin, patch test before using a new product containing this ingredient.
Pair with moisturizing ingredients like glycerin or ceramides to offset potential dryness.

Safety summary

Generally considered safe for use in rinse-off cosmetics at low concentrations, but may cause irritation or clog pores for sensitive or acne-prone individuals. The ethoxylation process can produce trace amounts of 1,4-dioxane, a potential carcinogen, but levels are typically controlled by manufacturers to meet safety standards.

Research notes

Limited direct studies on PEG-20 Hydrogenated Tallow Amine, but research on similar ethoxylated amines indicates low acute toxicity and moderate skin irritation potential. The Cosmetic Ingredient Review (CIR) has assessed related ingredients and concluded they are safe for rinse-off use when formulated properly.

Common label clues

Typical concentration
Typically 0.5% to 5% in rinse-off products; lower in leave-on formulas
Regulatory status
Approved for use in cosmetics in the US (FDA) and EU (CosIng) within regulated concentration limits. The Cosmetic Ingredient Review (CIR) panel has reviewed similar ethoxylated amines and found them safe for rinse-off use at low concentrations.
Common uses
Hair conditioners, Shampoos, Body washes, Cleansers
Environmental note
Derived from animal by-products (tallow), which may be considered more sustainable than some synthetic alternatives, but the ethoxylation process involves petrochemicals and energy-intensive manufacturing.

Good to know

  • PEG-20 Hydrogenated Tallow Amine is derived from animal fat, so it is not vegan or vegetarian.
  • The PEG prefix indicates the ingredient has been processed with ethylene oxide, which may raise concerns about trace contaminants like 1,4-dioxane, though reputable manufacturers purify their ingredients.

Common questions

What is PEG-20 Hydrogenated Tallow Amine in beauty products?

PEG-20 Hydrogenated Tallow Amine is a synthetic ingredient made from hydrogenated tallow (a processed animal fat) combined with ethylene oxide. It helps oil and water mix together in products like shampoos and conditioners, and it can also reduce static in hair. However, because it is a surfactant, it may strip natural oils or cause irritation for some people, especially those with sensitive or acne-prone skin.

What does PEG-20 Hydrogenated Tallow Amine do in a beauty product?

It reduces the surface tension between oil and water, allowing them to blend into a stable emulsion. In hair products, it also has antistatic properties, helping to reduce frizz and improve manageability by coating the hair shaft.

Is PEG-20 Hydrogenated Tallow Amine safe for most people?

Generally considered safe for use in rinse-off cosmetics at low concentrations, but may cause irritation or clog pores for sensitive or acne-prone individuals. The ethoxylation process can produce trace amounts of 1,4-dioxane, a potential carcinogen, but levels are typically controlled by manufacturers to meet safety standards.

Who should be careful with PEG-20 Hydrogenated Tallow Amine?

Individuals with sensitive or reactive skin Those prone to acne or clogged pores People seeking exclusively plant-based or natural ingredients

Research sources

Cosmetic Ingredient Review (CIR) - Safety Assessment of Alkyl AminesOpenEuropean Chemicals Agency (ECHA) - PEG-20 Hydrogenated Tallow AmineOpenPubMed - Surfactant irritation potentialOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.