Squalane
The lightweight oil the skin already makes — a lipid nearly identical to one in our own sebum — for weightless, barrier-friendly moisture. Juje’s is olive-derived, and it lives in all four formulas.
Squalane is a skin-identical lipid — the stable form of squalene, which our own skin makes — used for weightless, barrier-friendly moisture.
Juje’s is olive-derived, not shark-derived, and it’s the one ingredient in all four formulas — the lipid the whole ritual is built on.
The oil your skin already makes
Squalane isn’t foreign to skin — it’s the stable form of a lipid the body produces itself.
Squalane begins with squalene — one of the most abundant oils on the surface of human skin, roughly an eighth of our sebum. It’s part of what keeps skin soft, supple and protected, and it is especially concentrated on the face and scalp. Its level runs highest in youth and quietly falls with age.
There’s a catch: squalene is unstable and oxidises in air. In 1950, chemists learned to hydrogenate it into squalane — the same lipid made stable, odorless and long-lasting. That is the form used in skincare.
And where it comes from has changed. For most of a century, squalane was rendered from the livers of deep-sea sharks. Juje’s is olive-derived instead — drawn from the olive’s own oil, vegan, and shark-free. A lipid the scalp already recognises, sourced kindly.
The molecular portrait
One letter, and a handful of hydrogen atoms, separate the skin’s own oil from the ingredient in the bottle.
The difference between squalene and squalane is a single hydrogenation step: it trades away the instability without losing the lightweight, skin-loving character.
Four quiet mechanisms
All about feel and comfort — the mark of a lipid the skin already knows.
Skin already knows it
Squalane’s structure is nearly identical to a lipid skin makes itself, so it settles in seamlessly rather than sitting on top.
Weightless moisture
A light emollient that softens and conditions without grease or heaviness — it absorbs and all but disappears.
Barrier-friendly
As a skin-identical lipid it works with the scalp’s own surface, helping it feel soft, supple and comfortable.
Stable and odorless
Because it’s saturated it doesn’t oxidise like ordinary oils — it performs the same from first use to last, and never competes with the fragrance.
What the research shows
Ingredient-level context on a lipid our own skin produces — and why the stable, plant form is the one used.
Peer-reviewed work identifies squalene as a major component of human sebum — about 12–13% — most abundant on the face and scalp, contributing to softness and helping protect the skin surface.
Squalene’s tendency to oxidise is well documented; hydrogenation to squalane yields a saturated, oxidation-resistant lipid. That stability is exactly why squalane, not squalene, is used in formulas.
Modern cosmetic squalane is overwhelmingly plant-based — olive, sugarcane, rice bran — a shift driven in part by concern for deep-sea shark populations.
This is ingredient-level background, not results from a Juje product. Juje speaks to weightless, barrier-friendly moisture and the comfort of a skin-identical lipid — a cosmetic promise.
A clear, weightless oil
Refined from the olive into a clear, odorless oil — lighter and far more stable than olive oil itself.
What it is. Juje’s squalane is drawn from a small fraction of the olive’s oil and refined into a clear, colorless, odorless liquid. Unlike heavier plant oils it feels light and fast, and because it is saturated it stays fresh far longer.
Why olive, not shark. For most of the last century squalane came from shark liver. Juje’s comes from olives — renewable, vegan and shark-free — the same molecule, kindly sourced.
Where it sits. In the oil phase of every Juje formula — the lightweight lipid the whole ritual is built on.
is squalene
found in
shark-free source
Where it lives in the ritual
The one ingredient in every step — the lipid that holds the whole ritual together.
The reason every Juje formula feels light rather than oily — a weightless lipid in all four.
The whole ritual
Squalane appears in all four Juje formulas — the lightweight, skin-identical lipid that gives each step weightless, barrier-friendly moisture without a trace of grease.
The connective lipid. Where each active brings its own gift, squalane is the constant — the light, skin-loving oil that carries them and keeps every formula feeling airy.
Weightless on purpose. Squalane is famously non-greasy and fast to absorb; it’s a large part of why nothing in the ritual sits heavy on the scalp or hair.
Odorless, so fragrance leads. Because it carries no scent of its own, squalane never competes with each product’s fragrance — a quiet base beneath the story.
The language we stand behind
For retail, stylists and press. Squalane is a gentle emollient — we speak to how it feels and where it comes from, never to treating skin.
- A skin-identical lipid for weightless, barrier-friendly moisture
- Lightweight, non-greasy and fast-absorbing
- Softens and conditions the scalp and hair
- Olive-derived, vegan and shark-free
- The stable form of squalene, a lipid skin makes itself
- Heals, treats or repairs skin
- Anti-aging · reduces wrinkles
- “Restores” the skin’s own squalene
- Regrows hair or treats any condition
- Any medical or drug claim
On a Juje page we describe how squalane makes hair and scalp feel — light, soft, comfortable — and where it comes from. Nothing more.
Same molecule, kinder source
For most of the last century, cosmetic squalane was rendered from the livers of deep-sea sharks — slow-growing species hunted in vast numbers to supply the industry. Juje’s squalane is olive-derived instead: drawn from the olive’s own oil, renewable, vegan and entirely shark-free. It is the same skin-identical molecule, sourced kindly — a small decision that, multiplied across an industry, helps keep sharks in the sea.
Asked & answered
What is squalane?+
It’s the stable, hydrogenated form of squalene — a lipid your own skin produces. It gives weightless, barrier-friendly moisture and is in all four Juje formulas.
Is Juje’s squalane from sharks?+
No. Juje’s is olive-derived — plant-based, vegan and shark-free — the same molecule without the animal source.
Will it feel greasy or heavy?+
No. Squalane is famously lightweight and fast-absorbing — a large part of why every Juje formula feels airy rather than oily.
Is it the same as olive oil?+
No. It’s refined from a small fraction of the olive’s oil into a clear, odorless liquid — far lighter and more stable than olive oil itself.
References
- Reviews of skin-surface lipids: squalene as ~12–13% of human sebum, most abundant on face and scalp; antioxidant / singlet-oxygen quenching behaviour.
- Squalene (C₃₀H₅₀) and squalane (C₃₀H₆₂); hydrogenation for stability (squalene isolated from shark liver, 1906; hydrogenation to squalane, 1950).
- Olive-derived squalane from the unsaponifiable fraction of olive oil; plant sources (olive, sugarcane, rice bran) and the shift away from shark-derived squalene.
- Note: much squalene / squalane research is ingredient-level; Juje’s claims are cosmetic.
The Juje Library is educational. It describes ingredients and the research interest in them — not results from any Juje product. Juje products are cosmetics, intended to improve the look and feel of the scalp and hair, and are not intended to diagnose, treat, cure or prevent any condition. Juje’s squalane is olive-derived, vegan and shark-free.