Ingredient review
Ethyl Trans-3-Hexenoate
INCI: ETHYL TRANS-3-HEXENOATE
A synthetic fragrance ester that adds a fruity, green note to products; generally safe at low concentrations but may cause sensitivity in some individuals.
In plain English
Ethyl Trans-3-Hexenoate is a man-made ingredient that smells fruity and green, like fresh apples or unripe fruit. It is added to skincare, lotions, and perfumes to give them a pleasant scent. Because it is used in very tiny amounts, it is unlikely to cause problems for most people, but those with very sensitive skin or fragrance allergies may want to avoid it.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Ethyl Trans-3-Hexenoate 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.
- Step 1Start with the score, then check the irritation and clogging risk before judging Ethyl Trans-3-Hexenoate.
- 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
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A synthetic ester compound produced through chemical synthesis, used exclusively as a fragrance ingredient in cosmetics and personal care products.
How it works
It works by evaporating from the skin or hair, releasing its fruity-green aroma. It does not provide any skincare benefits like moisturizing or anti-aging; its only role is to add scent.
Pros
Pleasant scent
Adds a fresh, fruity-green aroma that many people find appealing in skincare and body products.
Low irritation risk
At typical low concentrations, it rarely causes irritation for most users, making it a relatively safe fragrance choice.
Cons and cautions
No skincare benefit
This ingredient only provides fragrance; it does not moisturize, protect, or improve skin health.
Potential allergen
As a fragrance ingredient, it can trigger allergic reactions or sensitivities in some individuals, especially those with a history of fragrance allergies.
Best for
- People who enjoy fruity, green-scented products
- Those without known fragrance sensitivities
Use caution if
- Individuals with fragrance allergies or very sensitive skin
Usage tips
Safety summary
Ethyl Trans-3-Hexenoate is considered safe for use in cosmetics at low concentrations. It is not a common irritant, but like all fragrance ingredients, it can cause allergic reactions in sensitive individuals. Regulatory bodies and industry groups monitor its use to ensure consumer safety.
Research notes
Research on this specific ester is limited, but it is generally recognized as safe by fragrance industry panels. Studies on similar esters indicate low acute toxicity and low skin irritation potential at typical use levels.
Common label clues
- Typical concentration
- Typically used at very low levels (under 1%) as a fragrance component
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions, subject to general fragrance safety regulations. The IFRA (International Fragrance Association) sets usage limits to minimize sensitization risk.
- Common uses
- Fragranced skincare, Body lotions, Perfumes, Hair care
- Environmental note
- As a synthetic compound, its environmental impact is minimal at the low concentrations used in personal care products, but it is not biodegradable in all conditions.
Good to know
- This ingredient is often listed simply as 'fragrance' or 'parfum' on labels, so you may not see it by name.
- It is not a preservative, active, or functional ingredient—its only purpose is scent.
Common questions
What is Ethyl Trans-3-Hexenoate in beauty products?
Ethyl Trans-3-Hexenoate is a man-made ingredient that smells fruity and green, like fresh apples or unripe fruit. It is added to skincare, lotions, and perfumes to give them a pleasant scent. Because it is used in very tiny amounts, it is unlikely to cause problems for most people, but those with very sensitive skin or fragrance allergies may want to avoid it.
What does Ethyl Trans-3-Hexenoate do in a beauty product?
It works by evaporating from the skin or hair, releasing its fruity-green aroma. It does not provide any skincare benefits like moisturizing or anti-aging; its only role is to add scent.
Is Ethyl Trans-3-Hexenoate safe for most people?
Ethyl Trans-3-Hexenoate is considered safe for use in cosmetics at low concentrations. It is not a common irritant, but like all fragrance ingredients, it can cause allergic reactions in sensitive individuals. Regulatory bodies and industry groups monitor its use to ensure consumer safety.
Who should be careful with Ethyl Trans-3-Hexenoate?
Individuals with fragrance allergies or very sensitive skin
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.