Ingredient review
Cyclohexyl Isovalerate
INCI: Cyclohexyl Isovalerate
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; generally safe at low concentrations.
In plain English
Cyclohexyl Isovalerate is a man-made ingredient used to give skincare products a nice smell. It doesn't moisturize, treat, or improve your skin—it's purely there for fragrance. In small amounts, it's considered safe for most people, but if you have 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
Cyclohexyl Isovalerate 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 Cyclohexyl Isovalerate.
- 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 ester derived from cyclohexanol and isovaleric acid, used as a fragrance ingredient in cosmetics and personal care products.
How it works
It evaporates from the skin's surface, releasing a pleasant scent. It does not actively interact with the skin barrier or provide any functional skincare benefit beyond fragrance.
Pros
Pleasant scent
Adds a light, pleasant fragrance that can make your skincare routine more enjoyable.
Low irritation risk for most
At typical low concentrations, it rarely causes problems for people without fragrance sensitivities.
Cons and cautions
No skincare benefit
It does not hydrate, soothe, or protect the skin—it's purely for scent.
Potential allergen
Like many fragrance ingredients, it can trigger allergic reactions or irritation in sensitive individuals.
Best for
- People who enjoy scented skincare and have no history of fragrance allergies
- Those looking for a pleasant sensory experience in their routine
Use caution if
- Individuals with sensitive skin, eczema, or known fragrance allergies
- Anyone following a fragrance-free skincare regimen
Usage tips
Safety summary
Cyclohexyl Isovalerate is considered safe for use in cosmetics at typical low concentrations. It is not a known carcinogen or reproductive toxin. However, like all fragrance ingredients, it can cause allergic contact dermatitis in susceptible individuals.
Research notes
Safety assessments by the Research Institute for Fragrance Materials (RIFM) and the Cosmetic Ingredient Review (CIR) panel have concluded that Cyclohexyl Isovalerate is safe for use in cosmetics at current levels. No significant toxicity or irritation has been observed in standard tests.
Common label clues
- Typical concentration
- Usually less than 1% in leave-on products
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions, subject to concentration limits and labeling requirements for allergens.
- Common uses
- Fragranced skincare, Perfumes, Body lotions, Cleansers
- Environmental note
- As a synthetic compound, its environmental persistence is low, but it is not biodegradable in all conditions. Minimal impact when used in small amounts.
Good to know
- Fragrance ingredients like Cyclohexyl Isovalerate are often listed simply as 'fragrance' or 'parfum' on labels, so you may not see it by name.
- It is not a common allergen compared to some other fragrance components, but it can still cause reactions in highly sensitive people.
Common questions
What is Cyclohexyl Isovalerate in beauty products?
Cyclohexyl Isovalerate is a man-made ingredient used to give skincare products a nice smell. It doesn't moisturize, treat, or improve your skin—it's purely there for fragrance. In small amounts, it's considered safe for most people, but if you have sensitive skin or a fragrance allergy, it might cause irritation.
What does Cyclohexyl Isovalerate do in a beauty product?
It evaporates from the skin's surface, releasing a pleasant scent. It does not actively interact with the skin barrier or provide any functional skincare benefit beyond fragrance.
Is Cyclohexyl Isovalerate safe for most people?
Cyclohexyl Isovalerate is considered safe for use in cosmetics at typical low concentrations. It is not a known carcinogen or reproductive toxin. However, like all fragrance ingredients, it can cause allergic contact dermatitis in susceptible individuals.
Who should be careful with Cyclohexyl Isovalerate?
Individuals with sensitive skin, eczema, or known fragrance allergies Anyone following a fragrance-free skincare regimen
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.