Ingredient review
Sesamide DEA
INCI: SESAMIDE DEA
Sesamide DEA helps create rich lather and thicken cleansers, but it may be mildly irritating and has moderate comedogenic potential.
In plain English
Sesamide DEA is a semi-synthetic ingredient made from sesame oil. It is added to cleansers and shampoos to boost foam and make the product feel thicker and more luxurious. However, it can be slightly drying or irritating for sensitive skin, and it may clog pores for some people.
Review score
Safety, usefulness, and evidence
Useful in the right context, but not low-maintenance
The evidence base is useful, but some claims depend heavily on the formula.
Main practical flags: irritation is moderate; clogging risk is moderate.
- Source
- semi synthetic
- Evidence
- moderate
- Irritation
- moderate
- Clogging risk
- moderate
Quick decision guide
Read the cautions before using
Sesamide DEA 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.
- Step 1Start with the score, then check the irritation and clogging risk before judging Sesamide DEA.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- 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
moderateCan bother some users, especially with frequent use, damaged skin, or strong companion ingredients.
Clogging risk
moderateMay be fine for many users but deserves caution if you are breakout-prone.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
Sesamide DEA is a diethanolamide derived from sesame oil fatty acids. It belongs to a class of alkanolamides used as foam stabilizers and viscosity builders in rinse-off personal care products.
How it works
In a cosmetic product, Sesamide DEA works by interacting with other surfactants to stabilize foam bubbles and increase the thickness of the liquid. This gives the product a richer, creamier lather and a more satisfying texture during use.
Pros
Rich lather
Creates a dense, creamy foam that many people find satisfying in shampoos and body washes.
Texture improvement
Thickens the product formula, making it feel more luxurious and easier to apply without dripping.
Cons and cautions
Potential irritation
Can cause mild stinging or dryness on sensitive or compromised skin, especially with frequent use.
Pore-clogging risk
Rated as moderately comedogenic, meaning it may contribute to breakouts for those with acne-prone skin.
Best for
- People who enjoy rich, foamy cleansers
- Those with normal to oily skin not prone to irritation
Use caution if
- Individuals with sensitive or reactive skin
- Those with acne-prone or easily clogged pores
Usage tips
Safety summary
Sesamide DEA is generally considered safe for use in rinse-off cosmetics at typical concentrations. However, it may cause mild irritation in sensitive individuals and has moderate comedogenic potential. As with all DEA compounds, formulators take care to minimize nitrosamine contamination.
Research notes
Research on Sesamide DEA specifically is limited, but studies on similar alkanolamides indicate low acute toxicity and acceptable skin compatibility for most users. The CIR has reviewed related ingredients and deemed them safe with proper formulation practices.
Common label clues
- Typical concentration
- Typically 1–5% in rinse-off products
- Regulatory status
- Approved for use in cosmetics in the US and EU within concentration limits. The Cosmetic Ingredient Review (CIR) panel has reviewed related alkanolamides and found them safe when formulated to avoid nitrosamine formation.
- Common uses
- Shampoos, Body washes, Facial cleansers, Liquid soaps
- Environmental note
- Derived from renewable sesame oil, but the DEA modification process involves synthetic chemistry. Biodegradability is moderate.
Good to know
- Sesamide DEA is not the same as pure sesame oil; it is chemically modified.
- Some consumers prefer to avoid DEA compounds due to concerns about nitrosamine impurities, though modern manufacturing minimizes this risk.
Common questions
What is Sesamide DEA in beauty products?
Sesamide DEA is a semi-synthetic ingredient made from sesame oil. It is added to cleansers and shampoos to boost foam and make the product feel thicker and more luxurious. However, it can be slightly drying or irritating for sensitive skin, and it may clog pores for some people.
What does Sesamide DEA do in a beauty product?
In a cosmetic product, Sesamide DEA works by interacting with other surfactants to stabilize foam bubbles and increase the thickness of the liquid. This gives the product a richer, creamier lather and a more satisfying texture during use.
Is Sesamide DEA safe for most people?
Sesamide DEA is generally considered safe for use in rinse-off cosmetics at typical concentrations. However, it may cause mild irritation in sensitive individuals and has moderate comedogenic potential. As with all DEA compounds, formulators take care to minimize nitrosamine contamination.
Who should be careful with Sesamide DEA?
Individuals with sensitive or reactive skin Those with acne-prone or easily clogged pores
Research sources
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.