Most vitamin C serums turn on you. They oxidize in the bottle — that’s the rusty color — and become useless.
Biossance’s trick? They suspend their vitamin C in sugarcane-derived squalane. It’s an oil-soluble, stable form that doesn’t degrade. Science says it stays potent for the whole bottle’s life.
Biossance‘s Squalane + Vitamin C Rose Oil. $74. I was skeptical of an oil that claims to brighten without irritation.
100% Stable Vitamin C
No oxidation, so it works until the last drop.
Plant-Based Squalane
Not from sharks — from fermented sugarcane.
Dry-Touch Finish
A wild claim for a face oil.
Photo: Victor Meza / Unsplash
It’s a short, focused list. The squalane isn’t just a carrier — it’s the main event for barrier repair. The vitamin C (ascorbyl tetraisopalmitate) is fat-soluble, so it penetrates deeper than some watery serums.
- Sugarcane Squalane: Mimics skin’s own oil for instant hydration
- Vitamin C (Tetrahexyldecyl Ascorbate): Fat-soluble, stable form for brightness
- Damascus Rose Oil: Scent and a hit of antioxidants
- Chios Crystal Oil: A lesser-known plant oil for calming
Photo: Angelina / Unsplash
The texture is light gold and slips on. Absorbs in maybe 30 seconds — shockingly fast. Leaves a satin finish, not greasy. Smells like a real rose garden, not perfume.
After two weeks, my skin was softer, but the brightening was subtle. The real surprise? It calmed a red spot from a rogue pimple overnight. Didn’t expect that.
Photo: Harper Sunday / Unsplash
Hydration was immediate and lasting. Dullness improved gradually. Didn’t magically erase dark spots, but my skin tone looked more even. Zero irritation — a first for me with vitamin C.
Photo: Jocelyn Morales / Unsplash
It’s a luxurious, foolproof oil that delivers gentle results. Not the strongest C, but the most compatible for fussy skin.