C9-12 Alkane



No known benefits

C9-12 Alkane at a glance

  • Solvent consisting of saturated hydrocarbons
  • Helps dissolve and disperse substances
  • Promotes a more homogenous texture in formulas
  • Consists of alkanes, which are organic hydrocarbons

C9-12 Alkane description

C9-12 alkane is a synthetic solvent used in skin care to help dissolve or disperse ingredients, creating cohesive formulas with homogenous textures. Solvents are integral to the success of a homogenized formula. Common solvents include water and oils. C9-12 alkane is composed of alkanes, which are organic hydrocarbon compounds since they contain both carbon and hydrogen atoms. Alkanes can also be referred to as paraffins. The Cosmetic Ingredient Review Expert Panel determined C9-12 alkane safe for use in cosmetics. It’s commonly combined with silicone elastomers such as polysilicone-11 to improve product aesthetics, assist with delivering ingredients to skin and help stabilize formulas. Usage levels vary depending on the blend and desired benefit in cosmetics.

C9-12 Alkane references

  • International Journal of Toxicology, 2012, pages 269S-295S

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not Rated