Ingredient review

C11-14 Alkane/Cycloalkane

INCI: C11-14 Alkane/Cycloalkane

A lightweight, volatile hydrocarbon that helps dissolve makeup and spread products without leaving a greasy feel.

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In plain English

This is a blend of hydrocarbon molecules (like very light oils) that evaporate quickly from the skin. It's used in makeup removers and cleansing balms to dissolve stubborn makeup and sunscreen without heavy residue. Because it's volatile, it feels lightweight and non-greasy.

Review score

Safety, usefulness, and evidence

4.0Good
4.0/ 5

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
How reviews are scored

Quick decision guide

Useful, but context matters

C11-14 Alkane/Cycloalkane 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.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging C11-14 Alkane/Cycloalkane.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. 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

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A mixture of linear and cyclic hydrocarbons with 11 to 14 carbon atoms, derived from petroleum refining. It is a clear, colorless liquid with low viscosity and high volatility.

How it works

It acts as a solvent to dissolve oil-based impurities (like makeup and sebum) and as an emollient to soften the skin. Its volatility means it evaporates partially after application, leaving a light, non-sticky feel.

Pros

Lightweight feel

Unlike heavy oils, this ingredient evaporates partially, leaving skin feeling clean and non-greasy.

Effective makeup remover

It dissolves even stubborn waterproof mascara and long-wear foundation without harsh rubbing.

Cons and cautions

Petroleum-derived

It is a synthetic hydrocarbon from non-renewable sources, which may be a concern for eco-conscious users.

Potential drying effect

Because it evaporates, it can strip some natural oils from the skin if used too frequently or left on too long.

Best for

  • People who wear heavy or waterproof makeup and need an effective remover
  • Those who prefer lightweight, non-greasy textures in cleansing products

Use caution if

  • Individuals with very dry or compromised skin barriers may find it slightly drying with frequent use

Usage tips

Use as a first step in a double-cleansing routine, then follow with a water-based cleanser.
Avoid leaving on the skin for extended periods; rinse or wipe off promptly.
Store products containing this ingredient in a cool, dry place to maintain stability.

Safety summary

Generally recognized as safe for topical cosmetic use at typical concentrations. Low irritation and comedogenic potential. Avoid inhalation of aerosolized forms.

Research notes

Limited peer-reviewed studies specific to this blend, but individual components (C11-C14 alkanes) have been evaluated by the Cosmetic Ingredient Review (CIR) panel and deemed safe for use in rinse-off and leave-on products.

Common label clues

Typical concentration
1–30% depending on formulation
Regulatory status
Approved for use in cosmetics in the US (FDA), EU (CosIng), and many other regions. No specific restrictions at typical use levels.
Common uses
Makeup removers, Cleansing balms, Sunscreens, Hair oils
Environmental note
As a petroleum-derived hydrocarbon, it is not biodegradable and may contribute to environmental concerns if not properly disposed of.

Good to know

  • This ingredient is often listed simply as 'C11-14 Alkane/Cycloalkane' on labels and is common in K-beauty cleansing balms.
  • It is considered safe for use in cosmetics by major regulatory bodies when used as intended.

Common questions

What is C11-14 Alkane/Cycloalkane in beauty products?

This is a blend of hydrocarbon molecules (like very light oils) that evaporate quickly from the skin. It's used in makeup removers and cleansing balms to dissolve stubborn makeup and sunscreen without heavy residue. Because it's volatile, it feels lightweight and non-greasy.

What does C11-14 Alkane/Cycloalkane do in a beauty product?

It acts as a solvent to dissolve oil-based impurities (like makeup and sebum) and as an emollient to soften the skin. Its volatility means it evaporates partially after application, leaving a light, non-sticky feel.

Is C11-14 Alkane/Cycloalkane safe for most people?

Generally recognized as safe for topical cosmetic use at typical concentrations. Low irritation and comedogenic potential. Avoid inhalation of aerosolized forms.

Who should be careful with C11-14 Alkane/Cycloalkane?

Individuals with very dry or compromised skin barriers may find it slightly drying with frequent use

Research sources

Cosmetic Ingredient Review (CIR) - HydrocarbonsOpenEuropean Chemicals Agency (ECHA) - C11-14 AlkanesOpenPubMed - Safety of volatile hydrocarbons in cosmeticsOpen

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.