Ingredient review

Acetamidoethoxyethanol

INCI: Acetamidoethoxyethanol

A gentle, synthetic humectant that helps hydrate the skin without common irritation or clogging.

beautyskincarehumectant

In plain English

Acetamidoethoxyethanol is a lab-made ingredient that attracts water to the skin's surface, helping it stay hydrated. It's similar to glycerin but is often used in formulas that aim to be lightweight and non-sticky. Because it's synthetic, it's very consistent in quality and less likely to cause reactions than some natural humectants.

Quick decision guide

Useful, but context matters

Acetamidoethoxyethanol is generally a lower-concern ingredient when the full formula suits your skin.

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 Acetamidoethoxyethanol.
  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

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

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

What it is

A synthetic compound derived from ethanolamine and acetic acid, designed to function as a humectant and skin-conditioning agent in cosmetic formulations.

How it works

It draws moisture from the air or deeper layers of the skin to the outer layer, increasing water content. It also helps other ingredients absorb better and can improve the feel of a product on the skin.

Pros

Gentle on skin

Rarely causes irritation or allergic reactions, making it suitable for sensitive skin types.

Lightweight feel

Does not leave a sticky or heavy residue, ideal for daytime use under makeup or sunscreen.

Cons and cautions

Modest hydration

May not provide enough moisture for very dry or dehydrated skin compared to stronger humectants like glycerin.

Synthetic origin

Some consumers prefer naturally derived ingredients, and this is a lab-created compound.

Best for

  • People with normal to oily skin looking for lightweight hydration
  • Those with sensitive skin who react to natural humectants

Use caution if

  • Individuals seeking a deeply moisturizing ingredient for very dry skin

Usage tips

Use in a moisturizer or serum applied to damp skin for best hydration.
Layer with an occlusive like squalane or shea butter if you have dry skin.

Safety summary

Acetamidoethoxyethanol is considered safe for use in cosmetics at typical concentrations. It has low irritation and comedogenic potential, and no significant safety concerns have been reported in regulatory reviews.

Research notes

Research indicates it is an effective humectant with good skin tolerance. Most data comes from cosmetic ingredient safety panels rather than large clinical trials, but it is well-established in formulations.

Common label clues

Typical concentration
Typically 0.5% to 3%
Regulatory status
Approved for use in cosmetics in the US (FDA) and EU (CosIng) as a safe skin-conditioning agent at typical concentrations.
Common uses
Moisturizers, Serums, Eye creams, Anti-aging products
Environmental note
As a synthetic ingredient, its environmental impact depends on manufacturing practices; it is not known to be bioaccumulative.

Good to know

  • Often used in combination with other humectants to boost overall hydration.
  • Stable across a wide pH range, so it works well in various formulations.

Common questions

What is Acetamidoethoxyethanol in beauty products?

Acetamidoethoxyethanol is a lab-made ingredient that attracts water to the skin's surface, helping it stay hydrated. It's similar to glycerin but is often used in formulas that aim to be lightweight and non-sticky. Because it's synthetic, it's very consistent in quality and less likely to cause reactions than some natural humectants.

What does Acetamidoethoxyethanol do in a beauty product?

It draws moisture from the air or deeper layers of the skin to the outer layer, increasing water content. It also helps other ingredients absorb better and can improve the feel of a product on the skin.

Is Acetamidoethoxyethanol safe for most people?

Acetamidoethoxyethanol is considered safe for use in cosmetics at typical concentrations. It has low irritation and comedogenic potential, and no significant safety concerns have been reported in regulatory reviews.

Who should be careful with Acetamidoethoxyethanol?

Individuals seeking a deeply moisturizing ingredient for very dry skin

Research sources

CosIng Database - European CommissionOpenPersonal Care Council - Safety AssessmentOpenPubMed - Humectant Efficacy StudyOpen

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.