Ingredient review
Dihydrogeranylacetone
INCI: Dihydrogeranylacetone
A synthetic fragrance ingredient that adds a fresh, green scent; generally safe at low levels but may cause irritation in sensitive individuals.
In plain English
Dihydrogeranylacetone is a man-made chemical that smells fresh and green, like crushed leaves or geranium. It's added to skincare and beauty products to give them a pleasant scent. In very small amounts, it's considered safe for most people, but if you have very sensitive skin or a fragrance allergy, 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
Dihydrogeranylacetone 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 Dihydrogeranylacetone.
- 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
Dihydrogeranylacetone is a synthetic ketone used primarily as a fragrance ingredient. It is structurally related to geranylacetone, a naturally occurring compound found in some plants, but is produced in a lab for consistent quality and scent.
How it works
In a cosmetic product, dihydrogeranylacetone works by providing a fresh, green, slightly floral scent that helps mask the base odor of other ingredients. It may also have very mild skin-conditioning properties, but its main role is olfactory.
Pros
Pleasant scent
Adds a fresh, green, natural-smelling fragrance that many people find appealing in lotions and cleansers.
Low irritation risk for most
At typical low concentrations, it is considered safe and non-irritating for the majority of skin types.
Cons and cautions
Fragrance allergen potential
As a synthetic fragrance ingredient, it can trigger allergic reactions or irritation in people with fragrance sensitivities.
No active skincare benefit
Its primary role is scent; it does not provide significant moisturizing, anti-aging, or other skin benefits.
Best for
- People who enjoy lightly scented products
- Those without fragrance sensitivities
Use caution if
- Individuals with known fragrance allergies or very sensitive skin
Usage tips
Safety summary
Dihydrogeranylacetone is considered safe for use in cosmetics at low concentrations. The main concern is skin irritation or allergic reaction in fragrance-sensitive individuals. Regulatory bodies like the IFRA and EU CosIng have set usage limits to ensure safety.
Research notes
Research on dihydrogeranylacetone is limited, but it is structurally similar to other fragrance ketones that have been evaluated for safety. The Cosmetic Ingredient Review (CIR) has not specifically reviewed this ingredient, but related fragrance ingredients are generally considered safe at low levels.
Common label clues
- Typical concentration
- Typically less than 1% in leave-on products
- Regulatory status
- Approved for use in cosmetics in the EU and US at low concentrations; subject to fragrance allergen labeling requirements in the EU.
- Common uses
- Fragranced creams, Lotions, Cleansers, Body washes
- Environmental note
- As a synthetic compound, its environmental impact depends on production methods and disposal; it is not known to be bioaccumulative.
Good to know
- Dihydrogeranylacetone is sometimes listed simply as 'fragrance' or 'parfum' on labels, so it may not appear by name.
- It is not the same as geranylacetone, which occurs naturally in some essential oils.
Common questions
What is Dihydrogeranylacetone in beauty products?
Dihydrogeranylacetone is a man-made chemical that smells fresh and green, like crushed leaves or geranium. It's added to skincare and beauty products to give them a pleasant scent. In very small amounts, it's considered safe for most people, but if you have very sensitive skin or a fragrance allergy, it might cause irritation.
What does Dihydrogeranylacetone do in a beauty product?
In a cosmetic product, dihydrogeranylacetone works by providing a fresh, green, slightly floral scent that helps mask the base odor of other ingredients. It may also have very mild skin-conditioning properties, but its main role is olfactory.
Is Dihydrogeranylacetone safe for most people?
Dihydrogeranylacetone is considered safe for use in cosmetics at low concentrations. The main concern is skin irritation or allergic reaction in fragrance-sensitive individuals. Regulatory bodies like the IFRA and EU CosIng have set usage limits to ensure safety.
Who should be careful with Dihydrogeranylacetone?
Individuals with known 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.