OGX Beauty Renewing + Argan Oil of Morocco Extra Penetrating Oil Versus Luseta Biotin & Collagen Strengthening Oil

OGX Beauty Renewing + Argan Oil of Morocco Extra Penetrating Oil Versus Luseta Biotin & Collagen Strengthening Oil Detailed comparison of OGX Beauty Renewing + Argan Oil of Morocco Extra Penetrating Oil versus Luseta Biotin & Collagen Strengthening Oil. No key ingredients Cyclopentasiloxane Cyclotetrasiloxane Dimethiconol Argania Spinosa Kernel Oil C12-15 Alkyl Benzoate Parfum Cyclopentasiloxane, Cyclotetrasiloxane, Dimethiconol, Argania Spinosa Kernel Oil, C12-15 Alkyl Benzoate, Parfum Dimethicone Hydroxypropyltrimonium Hydrolyzed Collagen Biotin Ethylhexyl Salicylate Helianthus Annuus Seed Oil Macadamia Ternifolia Seed Oil Tocopheryl Acetate Cyclopentasiloxane, Dimethicone, Dimethiconol, Hydroxypropyltrimonium Hydrolyzed Collagen, Biotin, Argania Spinosa Kernel Oil, C12-15 Alkyl Benzoate, Parfum, Ethylhexyl Salicylate, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Tocopheryl Acetate Be the first to review These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. You may know this ingredient as argan oil. It has emollient and skin conditioning properties that help soften skin and reinforce the lipid barrier. The fatty acid profile of argan oil is roughly 45-55% oleic acid, 28-36% linoleic acid, 10-15% palmitic acid, and 5-7% stearic acid. It also contains vitamin E, sterols, squalene, and polyphenols like ferulic acid. Two clinical studies in postmenopausal women found that applying argan oil for 60 days significantly improved skin elasticity and moisturization (reduced transepidermal water loss and increased epidermal water content). Since it is high in oleic and linoleic acid, this ingredient may not be fungal acne safe. Both of these fall in the C11-C24 range that Malassezia yeast can metabolize. C12-15 Alkyl Benzoate is a lightweight emollient made by combinig benzoic acid with fatty alcohols that are 12-15 carbons long. In cosmetics, it plays several roles: The Cosmetic Review Expert Panel has concluded the alkyl benzoate group to be safe as used in cosmetics; it wasn't found to be a skin irritant and unlikely to be absorbed due to its low water solubility. This report recorded almost 1000 reported uses with concentrations up to 59% in leave-on products but your cosmetics will typically use 0.5-15% depending on the product. It's often called a "SPF booster": this is because it keeps UV filters properly dissolved and evenly distributed to support a sunscreen's performance. It doesn't actually raise SPF on its own. Overall, this ingredient is well tolerated. This ingredient is fungal acne safe because it is an ester of benzoic acid. Think of this ingredient as two parts stuck together: an oily part and an acid part. Malassezia only gets a meal when it can snip off a fatty acid to eat. With C12-15 Alkyl Benzoate, the acid part is benzoic acid, which isn't a fatty acid and which the yeast can't use as food. Benzoic acid is actually used as a preservative to stop yeast from growing. The oily part is a blend of C12-15 fatty alcohols but fatty alcohols in this size range can support only a little Malassezia growth (mostly for one species of Malassezia as well). In the ingredient, those alcohols stay locked inside the molecule. The yeast can only reach them by snipping the benzoate bond, and that type of bond is harder for it to cut than a normal fatty bond. So not much gets released. And whatever does get snipped comes packaged with benzoic acid, which discourages yeast growth. Cyclopentasiloxane (D5) is a lightweight silicone that mostly acts as an emollient and solvent in cosmetics. Its the reason your products feel silky, fast-spreading, and non-greasy. Since D5 is volatile, it does its thing and then evaporates off the skin quickly. The safety profile of this ingredient is reassuring; the US CIR Expert Panel concluded D5 is safe as used in cosmetics and Health Canada conclu