Ingredient review
Cis-Dihydropseudoionyl Acetate
INCI: CIS-DIHYDROPSEUDOIONYL ACETATE
A synthetic fragrance ingredient that adds scent but offers no skincare benefits; safe at low levels but may cause sensitivity in some people.
In plain English
This ingredient is a lab-made compound that gives products a pleasant smell. It doesn't moisturize, treat, or improve your skin—it's purely for fragrance. In small amounts, it's generally considered safe, but if you have sensitive skin or allergies, it might cause irritation.
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
Cis-Dihydropseudoionyl Acetate 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 Cis-Dihydropseudoionyl Acetate.
- 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
Cis-Dihydropseudoionyl Acetate is a synthetic aromatic compound created in a lab. It belongs to a family of fragrance ingredients used to create floral or fruity notes in cosmetics and perfumes.
How it works
It works by evaporating from the skin's surface, releasing scent molecules that your nose detects. It has no active effect on the skin's structure or function—its only role is to provide fragrance.
Pros
Pleasant scent
Adds a nice fragrance to products, making them more enjoyable to use.
Low irritation risk for most
At typical low concentrations, it rarely causes problems for people without fragrance sensitivities.
Cons and cautions
No skincare benefit
This ingredient only provides scent—it doesn't hydrate, protect, or improve skin health.
Potential allergen
Like many fragrance ingredients, it can trigger contact dermatitis or allergic reactions in sensitive individuals.
Best for
- People who enjoy scented products and have no history of fragrance allergies
- Those looking for a pleasant sensory experience in their routine
Use caution if
- Individuals with sensitive, reactive, or allergy-prone skin
- Anyone following a fragrance-free skincare routine
Usage tips
Safety summary
Generally recognized as safe at low concentrations used in cosmetics, but can cause allergic reactions in susceptible individuals. The Cosmetic Ingredient Review (CIR) and IFRA provide safety guidelines for its use.
Research notes
Limited peer-reviewed research specifically on Cis-Dihydropseudoionyl Acetate, but fragrance ingredients as a class are well-studied for allergenicity. Safety assessments rely on industry guidelines and patch test data.
Common label clues
- Typical concentration
- Typically used at very low levels, often below 1%
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions, subject to concentration limits set by fragrance safety standards.
- Common uses
- Fragranced skincare, Perfumes, Body lotions, Hair products
- Environmental note
- As a synthetic compound, it may not be biodegradable and could accumulate in the environment, though specific data is limited.
Good to know
- Fragrance ingredients like this one are often listed simply as 'fragrance' or 'parfum' on labels, so you may not see the specific name.
- Regulatory bodies like the IFRA (International Fragrance Association) set safety limits for fragrance ingredients in cosmetics.
Common questions
What is Cis-Dihydropseudoionyl Acetate in beauty products?
This ingredient is a lab-made compound that gives products a pleasant smell. It doesn't moisturize, treat, or improve your skin—it's purely for fragrance. In small amounts, it's generally considered safe, but if you have sensitive skin or allergies, it might cause irritation.
What does Cis-Dihydropseudoionyl Acetate do in a beauty product?
It works by evaporating from the skin's surface, releasing scent molecules that your nose detects. It has no active effect on the skin's structure or function—its only role is to provide fragrance.
Is Cis-Dihydropseudoionyl Acetate safe for most people?
Generally recognized as safe at low concentrations used in cosmetics, but can cause allergic reactions in susceptible individuals. The Cosmetic Ingredient Review (CIR) and IFRA provide safety guidelines for its use.
Who should be careful with Cis-Dihydropseudoionyl Acetate?
Individuals with sensitive, reactive, or allergy-prone skin Anyone following a fragrance-free skincare routine
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.