Ingredient review
Acetaldehyde Ethyl Linalyl Acetal
INCI: Acetaldehyde Ethyl Linalyl Acetal
A synthetic fragrance ingredient that adds a pleasant floral-fruity scent but offers no skincare benefits.
In plain English
This is a man-made chemical used to make products smell nice, like flowers or fruit. It doesn't moisturize, protect, or treat your skin—it's purely for scent. If you have sensitive skin or prefer fragrance-free products, you may want to avoid it.
Quick decision guide
Useful, but context matters
Acetaldehyde Ethyl Linalyl Acetal 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 Acetaldehyde Ethyl Linalyl Acetal.
- 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 acetal compound created by reacting acetaldehyde with ethyl linalool. It is used exclusively as a fragrance ingredient in cosmetics and personal care products.
How it works
It evaporates from the skin's surface, releasing a floral-fruity aroma. It does not interact with the skin's barrier or provide any functional benefit beyond scent.
Pros
Pleasant scent
Adds a light floral-fruity aroma that can make your skincare routine more enjoyable.
Low irritation risk for most
At typical low concentrations, it is generally well-tolerated by people without fragrance sensitivities.
Cons and cautions
No skin benefit
This ingredient does nothing for your skin's health—no hydration, barrier support, or anti-aging effects.
Potential allergen
Like many fragrance ingredients, it can cause contact dermatitis or allergic reactions in sensitive individuals.
Best for
- Those who enjoy scented skincare and have no history of fragrance allergies
- People looking for a light, floral-fruity scent in their routine
Use caution if
- Individuals with sensitive, reactive, or eczema-prone skin
- Anyone who prefers fragrance-free or hypoallergenic products
Usage tips
Safety summary
Generally recognized as safe for use in cosmetics at low concentrations. However, like all fragrance ingredients, it carries a risk of skin sensitization and allergic reactions in susceptible individuals.
Research notes
Limited published research specifically on this compound. Safety assessments rely on general fragrance ingredient data and industry guidelines. The Research Institute for Fragrance Materials (RIFM) evaluates similar acetal compounds.
Common label clues
- Typical concentration
- Typically used at very low levels (under 1%) in finished products
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets, but must be listed on the ingredient label. The EU requires labeling of certain fragrance allergens, though this specific compound is not currently on that list.
- Common uses
- Fragranced skincare, Perfumes, Body lotions
- Environmental note
- As a synthetic compound, its environmental persistence and bioaccumulation potential are not well-studied. It is typically used in very small amounts.
Good to know
- This ingredient is not required to be listed individually on labels if it falls under 'fragrance' or 'parfum' in some regions.
- It is not a common ingredient in most drugstore or dermatologist-recommended brands.
Common questions
What is Acetaldehyde Ethyl Linalyl Acetal in beauty products?
This is a man-made chemical used to make products smell nice, like flowers or fruit. It doesn't moisturize, protect, or treat your skin—it's purely for scent. If you have sensitive skin or prefer fragrance-free products, you may want to avoid it.
What does Acetaldehyde Ethyl Linalyl Acetal do in a beauty product?
It evaporates from the skin's surface, releasing a floral-fruity aroma. It does not interact with the skin's barrier or provide any functional benefit beyond scent.
Is Acetaldehyde Ethyl Linalyl Acetal safe for most people?
Generally recognized as safe for use in cosmetics at low concentrations. However, like all fragrance ingredients, it carries a risk of skin sensitization and allergic reactions in susceptible individuals.
Who should be careful with Acetaldehyde Ethyl Linalyl Acetal?
Individuals with sensitive, reactive, or eczema-prone skin Anyone who prefers fragrance-free or hypoallergenic products
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.