Ingredient review
Cyclohexane
INCI: CYCLOHEXANE
Cyclohexane is a fast-evaporating solvent that helps dissolve oils and makeup, but it can be drying and potentially irritating for sensitive skin.
In plain English
Cyclohexane is a clear, colorless liquid that evaporates quickly. In skincare, it's used to dissolve other ingredients, especially oils and makeup, so they can be easily wiped or rinsed away. Think of it like a very fast-drying cleaning fluid that helps remove stubborn products without leaving a greasy residue. Because it evaporates so quickly, it can sometimes leave skin feeling dry or tight.
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
Cyclohexane 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 Cyclohexane.
- 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
Cyclohexane is a synthetic hydrocarbon solvent derived from petroleum. It is a volatile organic compound (VOC) that evaporates rapidly at room temperature, making it useful in products that need to dry quickly or dissolve oily substances.
How it works
In a cosmetic product, cyclohexane acts as a solvent to dissolve other ingredients that are not water-soluble, such as oils, waxes, and silicones. It helps create a uniform mixture and then evaporates quickly, leaving behind the active ingredients or a clean surface. This rapid evaporation also provides a cooling sensation on the skin.
Pros
Effective solvent
Quickly breaks down stubborn makeup, sunscreen, and sebum, making cleansing more efficient.
Fast evaporation
Evaporates rapidly, so it doesn't leave a heavy or greasy film on the skin, which can feel refreshing.
Cons and cautions
Drying potential
Because it evaporates so quickly, it can strip the skin of its natural oils, leading to dryness or tightness, especially with frequent use.
Irritation risk
For those with sensitive or compromised skin, cyclohexane may cause stinging, redness, or irritation.
Best for
- People with oily or normal skin who want a quick-drying cleanser
- Those who use heavy makeup or waterproof products and need effective removal
Use caution if
- Individuals with dry, sensitive, or eczema-prone skin
- Anyone looking for a gentle, non-stripping cleanser
Usage tips
Safety summary
Cyclohexane is considered safe for use in rinse-off cosmetic products at typical concentrations. However, it can be drying and irritating for some skin types, especially with prolonged or frequent use. Avoid inhalation of vapors and contact with eyes.
Research notes
The Cosmetic Ingredient Review (CIR) panel has evaluated cyclohexane and concluded it is safe for use in cosmetics when formulated to be non-irritating. Studies indicate low acute toxicity but potential for skin and eye irritation at high concentrations.
Common label clues
- Typical concentration
- Typically 1-10% in rinse-off products; lower in leave-on products
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions, with concentration limits typically set by safety assessments. The Cosmetic Ingredient Review (CIR) panel has reviewed it and found it safe for use in rinse-off products at concentrations up to 10%.
- Common uses
- Nail polish removers, Makeup removers, Cleansing products
- Environmental note
- As a volatile organic compound (VOC), cyclohexane can contribute to air pollution. Some manufacturers are moving toward lower-VOC alternatives for environmental reasons.
Good to know
- Cyclohexane is often used in combination with other solvents to balance evaporation rate and skin feel.
- It is a common ingredient in nail polish removers due to its ability to dissolve nail lacquer quickly.
Common questions
What is Cyclohexane in beauty products?
Cyclohexane is a clear, colorless liquid that evaporates quickly. In skincare, it's used to dissolve other ingredients, especially oils and makeup, so they can be easily wiped or rinsed away. Think of it like a very fast-drying cleaning fluid that helps remove stubborn products without leaving a greasy residue. Because it evaporates so quickly, it can sometimes leave skin feeling dry or tight.
What does Cyclohexane do in a beauty product?
In a cosmetic product, cyclohexane acts as a solvent to dissolve other ingredients that are not water-soluble, such as oils, waxes, and silicones. It helps create a uniform mixture and then evaporates quickly, leaving behind the active ingredients or a clean surface. This rapid evaporation also provides a cooling sensation on the skin.
Is Cyclohexane safe for most people?
Cyclohexane is considered safe for use in rinse-off cosmetic products at typical concentrations. However, it can be drying and irritating for some skin types, especially with prolonged or frequent use. Avoid inhalation of vapors and contact with eyes.
Who should be careful with Cyclohexane?
Individuals with dry, sensitive, or eczema-prone skin Anyone looking for a gentle, non-stripping cleanser
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.