What are the benefits of C9-12 Alkane for skin?

enhanced spreadability, silky non-greasy texture, dissolves oil-soluble actives, prevents product separation, lightweight emolliency

What concentration of C9-12 Alkane is effective?

Typical effective concentrations of C9-12 Alkane are 0.001–90% depending on formulation type, typically 1–20% in leave-on skincare, higher concentrations in balms, hair oils, and sunscreens.

What skin types is C9-12 Alkane suitable for?

C9-12 Alkane is suitable for all skin types, oily, acne-prone, sensitive, dry, combination.

C9-12 Alkane — Skincare Ingredient Guide

Q: Can C9-12 Alkane cause skin irritation?

C9-12 Alkane has a low irritation risk. Considered chemically inert and non-sensitising. The Cosmetic Ingredient Review (CIR) Expert Panel has concluded these alkane ingredients are safe in present practices of use. No EU CosIng Annex II or III restrictions apply. Individuals with known hydrocarbon sensitivities should patch test.

Q: Is C9-12 Alkane safe to use during pregnancy?

C9-12 Alkane is rated "safe" for pregnancy use. No data indicate that topical C9-12 Alkane poses a reproductive or developmental risk. Systemic absorption through intact skin is minimal due to its large molecular size. As a general precaution, pregnant or nursing individuals should consult a healthcare provider regarding any skincare product.

Q: Does C9-12 Alkane increase sun sensitivity?

C9-12 Alkane has a no sun sensitivity risk. C9-12 Alkane has no photosensitising properties and does not increase UV sensitivity. It is commonly used as a carrier solvent for UV filters in sunscreen formulations.

C9-12 Alkane

INCI: C9-12 Alkane

C9-12 Alkane is a lightweight blend of straight-chain and branched saturated hydrocarbons containing nine to twelve carbon atoms. It functions as an emollient and solvent, dissolving oil-soluble actives, pigments, and UV filters while imparting a silky, fast-drying skin feel without greasy residue. Most commercial grades are petroleum-derived, though renewable plant-based (e.g. sugarcane-derived) versions are increasingly available.

Is C9-12 Alkane safe? Key considerations

Can C9-12 Alkane cause irritation?

Low Risk

Considered chemically inert and non-sensitising. The Cosmetic Ingredient Review (CIR) Expert Panel has concluded these alkane ingredients are safe in present practices of use. No EU CosIng Annex II or III restrictions apply. Individuals with known hydrocarbon sensitivities should patch test.

Does C9-12 Alkane increase sun sensitivity?

No Risk

C9-12 Alkane has no photosensitising properties and does not increase UV sensitivity. It is commonly used as a carrier solvent for UV filters in sunscreen formulations.

Is C9-12 Alkane safe during pregnancy?

Safe

No data indicate that topical C9-12 Alkane poses a reproductive or developmental risk. Systemic absorption through intact skin is minimal due to its large molecular size. As a general precaution, pregnant or nursing individuals should consult a healthcare provider regarding any skincare product.

How does C9-12 Alkane work?

Individuals with known hydrocarbon or petroleum sensitivity (patch test recommended) should review the considerations above before use.

C9-12 Alkane

What does this do in a formula?

Is C9-12 Alkane safe? Key considerations

Can C9-12 Alkane cause irritation?

Does C9-12 Alkane increase sun sensitivity?

Is C9-12 Alkane safe during pregnancy?

How does C9-12 Alkane work?

Which products contain C9-12 Alkane?

Dewy Sunscreen SPF 30