Ingredient review
Rose Ketone-5
INCI: Rose Ketone-5
Rose Ketone-5 adds a pleasant rose scent but can be a skin sensitizer for some, especially those with fragrance allergies.
In plain English
Rose Ketone-5 is a man-made chemical that smells like roses. It's added to products to give them a floral fragrance. Because it's a fragrance ingredient, it can sometimes cause skin irritation or allergic reactions, especially in people with sensitive skin or known fragrance allergies.
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
Rose Ketone-5 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 Rose Ketone-5.
- 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
Rose Ketone-5 is a synthetic aroma compound, specifically a ketone, that is widely used in the fragrance industry to create or enhance rose-like scents in cosmetics and personal care products.
How it works
In a cosmetic product, Rose Ketone-5 functions solely as a fragrance ingredient. It does not provide any skincare benefits like moisturizing or anti-aging. Its role is to impart a pleasant scent to the product, which can improve the user experience.
Pros
Pleasant rose scent
Rose Ketone-5 provides a rich, authentic rose fragrance that many people find appealing and luxurious.
Stable and long-lasting
As a synthetic compound, it is more stable than natural rose extracts, ensuring the scent lasts longer in the product.
Cons and cautions
Potential skin sensitizer
Rose Ketone-5 is a known allergen for some people, and repeated use can lead to allergic contact dermatitis, causing redness, itching, or rash.
No skincare benefits
This ingredient is purely for fragrance and does not contribute to moisturizing, anti-aging, or any other skin health benefits.
Best for
- Individuals who enjoy rose-scented products and do not have a history of fragrance allergies
- People with non-sensitive skin looking for a pleasant sensory experience
Use caution if
- Individuals with known fragrance allergies or sensitive skin prone to irritation
- Anyone who prefers fragrance-free or hypoallergenic skincare products
Usage tips
Safety summary
Rose Ketone-5 is generally considered safe for use in cosmetics at low concentrations, but it is a known skin sensitizer. People with fragrance allergies should avoid it, and those with sensitive skin should use caution.
Research notes
Research confirms that Rose Ketone-5 (damascenone) is a common fragrance allergen. Studies show it can cause allergic contact dermatitis in sensitized individuals. It is included in fragrance allergen panels for patch testing.
Common label clues
- Typical concentration
- Typically used at very low concentrations (less than 1%) due to its strong scent and potential for skin sensitization.
- Regulatory status
- Rose Ketone-5 is regulated as a fragrance ingredient. In the EU, it must be listed on the label if its concentration exceeds 0.001% in leave-on products and 0.01% in rinse-off products, due to its allergenic potential.
- Common uses
- Perfumes, Fragranced lotions, Body washes, Scented cosmetics
- Environmental note
- As a synthetic compound, its environmental impact is not well-studied, but it is not known to be a major environmental concern at typical usage levels.
Good to know
- Rose Ketone-5 is often listed simply as 'fragrance' or 'parfum' on ingredient labels, making it hard to identify.
- It is a common allergen included in fragrance allergen lists by regulatory bodies like the EU Cosmetics Regulation.
Common questions
What is Rose Ketone-5 in beauty products?
Rose Ketone-5 is a man-made chemical that smells like roses. It's added to products to give them a floral fragrance. Because it's a fragrance ingredient, it can sometimes cause skin irritation or allergic reactions, especially in people with sensitive skin or known fragrance allergies.
What does Rose Ketone-5 do in a beauty product?
In a cosmetic product, Rose Ketone-5 functions solely as a fragrance ingredient. It does not provide any skincare benefits like moisturizing or anti-aging. Its role is to impart a pleasant scent to the product, which can improve the user experience.
Is Rose Ketone-5 safe for most people?
Rose Ketone-5 is generally considered safe for use in cosmetics at low concentrations, but it is a known skin sensitizer. People with fragrance allergies should avoid it, and those with sensitive skin should use caution.
Who should be careful with Rose Ketone-5?
Individuals with known fragrance allergies or sensitive skin prone to irritation Anyone who prefers fragrance-free or hypoallergenic skincare 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.