Squalane
Hydrogenated squalene
Squalane is a saturated hydrocarbon oil used as a light emollient. The cited ex-vivo study measured how squalane changed the skin penetration of other compounds, not a moisturizing effect of squalane itself.
Effect of squalane-based emulsion on polyphenols skin penetration: Ex vivo skin study.
Ex-vivo human skin study · 2022
The study measured the retention of other compounds from a model emulsion, not a moisturizing effect of squalane itself.
Read referenceIngredient studies do not establish finished-product efficacy.

















