Olive oil has been used on skin since antiquity, and modern chemistry actually backs some of it up — just not all of it. Here's what a genuinely high-polyphenol extra virgin olive oil can and can't do for your skin.
What's actually in it
Extra virgin olive oil contains squalene (an emollient also naturally present in human skin oil), vitamin E, and — in a high-quality oil — polyphenols like oleocanthal and hydroxytyrosol, which have measurable antioxidant activity in lab studies. Musai's October 2025 harvest tested at 972 mg/kg total polyphenols, among the reasons it keeps winning international competitions on taste; the same compounds are what topical-use claims lean on.
What it's genuinely good at
- Emollient, not humectant. It seals moisture in; it doesn't pull moisture from the air the way hyaluronic acid does. Best applied to already-damp skin.
- Makeup and light oil removal. A classic, still-effective use — oil dissolves oil.
- Very dry patches — elbows, heels, cuticles. Thick enough to sit on skin and do real work here.
Where a proper moisturizer still wins
For the face specifically, olive oil is comedogenic for some skin types (rated 2 out of 5, moderate) and sits heavy compared to formulated facial oils. It also offers no SPF and no active ingredients for acne, pigmentation or fine lines — claims sometimes made online that the underlying research doesn't support.
For the internal-use side of these same polyphenols — the numbers behind Musai's EU health claim — see Extra Virgin Olive Oil Benefits.
Where cosmetic squalane actually comes from
Squalane, the shelf-stable form of squalene used in serums and moisturizers, is now mostly derived from olives rather than the shark-liver source common decades ago — a shift driven largely by sustainability pressure on the cosmetics industry. Whole olive oil is the unrefined starting material: heavier, less penetrating, but carrying the polyphenols alongside it that a purified cosmetic squalane strips out. Neither format is strictly better; they're built for different jobs.
Face oils marketed as "olive oil" rarely are
Most facial oil products that lean on olive branding on the label are blends dominated by lighter, faster-absorbing oils — squalane, jojoba, grapeseed — with a small fraction of actual olive oil for the marketing story. That's a reasonable formulation choice given olive oil's comedogenic rating, but it means "made with olive oil" on a skincare label and pouring from Musai's own bottle are two different products. For what genuinely distinguishes a high-polyphenol oil like Musai's from a bland one, see Reading an Olive Oil Lab Report.
See the polyphenol numbers behind these claims, in the original lab report.
View lab report →