Ingredient review
Trans-Rose Ketone-2
INCI: TRANS-ROSE KETONE-2
Trans-Rose Ketone-2 is a synthetic fragrance ingredient that adds a rose-like scent, but it may cause skin irritation in sensitive individuals.
In plain English
Trans-Rose Ketone-2 is a man-made chemical that smells like roses. It is added to skincare and beauty products to give them a pleasant floral fragrance. Because it is a fragrance ingredient, it can sometimes cause irritation or allergic reactions, especially if you have sensitive skin or a known fragrance allergy.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Main practical flags: irritation is moderate; clogging risk is low.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- moderate
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Trans-Rose Ketone-2 can be useful, but watch for some irritation potential.
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 Trans-Rose Ketone-2.
- 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
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
Trans-Rose Ketone-2 is a synthetic aromatic ketone used in the fragrance industry to impart a rose-like scent. It is not a natural extract but a chemically synthesized compound designed to mimic the scent of rose petals.
How it works
In a cosmetic product, Trans-Rose Ketone-2 functions solely as a fragrance ingredient. It evaporates from the skin's surface, releasing its rose-like aroma. It does not provide any skincare benefits like moisturizing or anti-aging; its only purpose is to make the product smell pleasant.
Pros
Pleasant rose scent
Provides a consistent, long-lasting rose-like fragrance that many people find appealing.
Stable and cost-effective
As a synthetic ingredient, it is more stable and less expensive than natural rose extracts, making it accessible in a wide range of products.
Cons and cautions
Potential irritant
Can cause skin irritation, redness, or itching, especially for those with sensitive skin or a history of fragrance allergies.
No skincare benefit
Offers no moisturizing, anti-aging, or other functional skincare benefits—its only role is to add scent.
Best for
- People who enjoy rose-scented products and do not have fragrance allergies
- Those with normal, non-sensitive skin looking for a pleasant sensory experience
Use caution if
- Individuals with known fragrance allergies or sensitive skin
- People who prefer fragrance-free or naturally scented products
Usage tips
Safety summary
Trans-Rose Ketone-2 is considered safe for use in cosmetics at low concentrations, but it can be a skin irritant and allergen for some people. Regulatory bodies like IFRA provide guidelines to limit exposure and reduce risk.
Research notes
Research on Trans-Rose Ketone-2 focuses on its potential as a skin sensitizer. Studies indicate that like many fragrance ingredients, it can cause allergic contact dermatitis in susceptible individuals. The evidence is moderate, with safety assessments relying on patch testing and exposure limits.
Common label clues
- Typical concentration
- Typically used at very low levels, often below 1% in leave-on products
- Regulatory status
- Approved for use in cosmetics in the EU and US, but must be listed as a fragrance ingredient. The International Fragrance Association (IFRA) sets usage limits to minimize irritation risk.
- Common uses
- Fragranced skincare, Perfumes, Body lotions, Cleansers
- Environmental note
- As a synthetic compound, its environmental impact depends on manufacturing processes and disposal. It is not biodegradable in all conditions.
Good to know
- Trans-Rose Ketone-2 is often listed simply as 'fragrance' or 'parfum' on ingredient labels, so it may not be individually named.
- It is not derived from roses; it is a synthetic compound created in a lab.
Common questions
What is Trans-Rose Ketone-2 in beauty products?
Trans-Rose Ketone-2 is a man-made chemical that smells like roses. It is added to skincare and beauty products to give them a pleasant floral fragrance. Because it is a fragrance ingredient, it can sometimes cause irritation or allergic reactions, especially if you have sensitive skin or a known fragrance allergy.
What does Trans-Rose Ketone-2 do in a beauty product?
In a cosmetic product, Trans-Rose Ketone-2 functions solely as a fragrance ingredient. It evaporates from the skin's surface, releasing its rose-like aroma. It does not provide any skincare benefits like moisturizing or anti-aging; its only purpose is to make the product smell pleasant.
Is Trans-Rose Ketone-2 safe for most people?
Trans-Rose Ketone-2 is considered safe for use in cosmetics at low concentrations, but it can be a skin irritant and allergen for some people. Regulatory bodies like IFRA provide guidelines to limit exposure and reduce risk.
Who should be careful with Trans-Rose Ketone-2?
Individuals with known fragrance allergies or sensitive skin People who prefer fragrance-free or naturally scented 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.