Published October 24, 2026 · Last updated October 24, 2026 · By Dajeong Park, founder of NARINFLA (20 years in cosmetics)

Squalane vs Squalene for Dehydrated Skin: What Differs and How to Use It

Squalene is a skin lipid that oxidizes easily. Squalane is its hydrogenated, stable form, and it is the one used in most skincare. For dehydrated skin, squalane is a light emollient that helps skin feel softer and smoother by forming a thin surface layer. It does not add water on its own, so it is often layered over water-attracting ingredients.

Quick answer
1. Squalene is easily oxidized. Squalane is more stable.
2. Squalane helps skin feel softer and smoother by forming a thin surface layer. It does not supply water.
3. Sourcing matters: squalane can be shark-derived or plant-derived, and labels may not say which.

NARINFLA 3F Ampoule, photo from the official store page.

Summary: squalene versus squalane.

What is squalane, and how is it different from squalene?

Squalane is a saturated hydrocarbon oil (C30H62) made by adding hydrogen to squalene (C30H50), a lipid found in human sebum. The two share a 30-carbon backbone. Squalene has six double bonds. Squalane has none.

With no double bonds left to react with oxygen and light, squalane is much less prone to oxidation (Sethi et al., 2016). Squalene is also a normal part of sebum. A 2009 review lists it at roughly 13% of human sebum, after triglycerides and fatty acids (57%) and wax esters (25%) (Huang et al., 2009).

	Squalene	Squalane
Formula	C30H50, six double bonds	C30H62, no double bonds
Where it comes from	Human sebum (about 13%), shark liver oil, some plant oils	Made by hydrogenating squalene or other natural oils
Stability	Oxidizes easily	Less prone to oxidation
On a label	Squalene	Squalane

Sources: Huang et al., Molecules 2009; Sethi et al., Indian J Dermatol 2016.

Squalene versus squalane, redrawn from Huang 2009 and Sethi 2016.

Why do cosmetics use squalane instead of squalene?

Because it holds up better. Squalene oxidizes easily, and after UVA exposure one early oxidation product, squalene monohydroperoxide, caused comedones in a 2000 rabbit-ear study, more strongly than an ingredient known to cause them (Chiba et al., 2000).

That is an animal experiment, so it cannot be applied directly to human skin. It does help explain why formulators prefer a form that does not oxidize easily.

What does squalane do for dehydrated skin?

Squalane is an emollient. It helps skin feel softer and smoother by forming a thin surface layer, and it does not add water. In skincare shorthand, dry skin lacks oil and dehydrated skin lacks water, and the two often overlap.

The U.S. Cosmetic Ingredient Review (CIR) panel classes squalane as an emollient used mainly in creams, lotions and lip products. The panel concluded in 1982 that squalane and squalene are safe as used in cosmetics under the conditions reviewed, and later reviews reached the same conclusion. This is an ingredient-level conclusion. It does not guarantee that any finished product suits every skin type. A 2019 industry-reported count showed squalane in 2,785 products, at up to 96.8% concentration (CIR, Int J Toxicol 2023).

How well an oil seals in moisture varies. A moisturizer review reports that petrolatum at a minimum of 5% reduced transepidermal water loss by more than 98 percent, while lanolin, mineral oil and silicones reduced it by only 20 to 30% (Sethi et al., 2016). Squalane was not among the oils compared there. That fits with the light feel of squalane, and with why many people still finish with a cream.

A common layering approach. Many routines combine a water-attracting step, a lipid-containing step, and a surface oil or cream. Humectants such as glycerin and hyaluronic acid are commonly used to attract water at the skin surface. Ceramides are used in moisturizers to complement the skin's natural lipids. Squalane is mainly used for feel and appearance, as a light finish that leaves skin looking and feeling smoother. This is a general styling approach, not a medical protocol.

Three layers for dehydrated skin. Squalane belongs to the third.

Does squalane carry other ingredients deeper into skin?

Not clearly. One lab study points that way, but it was not done on living skin. In a 2022 ex vivo study, eight polyphenols were tested in a squalane-based water-in-oil emulsion on excised skin. The compounds passed through the skin more slowly, which the authors took to mean that more of each compound stayed in the skin (Oliveira et al., 2022). That study used a specific emulsion, so it does not show what happens with an ordinary cream on the face.

I did not find a human study showing that squalane in an ordinary cream increases absorption of other ingredients on the face, so I describe squalane as a surface emollient.

Is squalane made from sharks?

It can be, but it does not have to be. The CIR safety report states that squalane may be obtained by hydrogenating shark liver oil, squalene or other natural oils, and a 2014 trade article it cites describes making squalane from sugarcane. Squalene is also found in olives, wheat germ, rice bran and amaranth seed, according to Oceana.

The concern is the supply chain. Deep-sea sharks carry large amounts of squalene in their livers, and they are slow-growing and vulnerable to overfishing. Here is what the main reports say, and when they were published.

Source	What it reports
Oceana, 2008	Unilever announced it would move from shark squalene to a plant-based version. Oceana said L'Oreal was completing a phase-out, and several other major companies had stopped or never used it.
BLOOM, 2012	Estimated that about nine-tenths of world shark liver oil production goes to cosmetics, equal to about 2.7 million deep-sea sharks a year. It said squalane in cosmetics was still largely animal-derived worldwide.
Oceana Europe, 2013	Estimated 3 to 6 million sharks a year supply the shark liver oil market. It noted EU labeling law did not require brands to state whether squalane came from sharks or plants.

These are advocacy-group estimates from 2008 to 2013. I did not find a recent independent figure for today's share, so read them as background, not as a current count. If sourcing matters to you, look for a plant-derived or olive-derived statement on the product page, or ask the brand directly.

Plant-derived and shark-derived squalane are chemically the same molecule, so skin feel does not tell you the origin. Only the brand can.

Is squalane comedogenic?

No ingredient can be called a guaranteed non-clogger. Most comedogenic scales trace back to rabbit-ear assays. A 2025 review in JAAD Reviews says these gave inconsistent results on human skin, and that there is no universal standard behind a "non-comedogenic" label. It recommends testing finished products on humans instead.

So treat any number you see online as a rough hint. The practical approach is to patch test a small area, use a small amount, and stop if you see new bumps or irritation. If breakouts persist, see a dermatologist.

How and when should you apply squalane?

Apply thin, water-based products first, then oils and creams, within a few minutes of cleansing while skin is still slightly damp. The American Academy of Dermatology notes that moisturizers trap water already in the skin, which is why timing matters. Patch test a small area before first use and stop if irritation occurs.

5 practical tips

1. Pat your face dry with a towel and start your first product within a few minutes, before the skin dries completely.
2. For a serum or ampoule with some body, press in 1 to 2 drops at a time, 2 to 3 rounds. Let each round settle first.
3. If you use pure squalane oil, mix 1 to 2 drops into your cream on your palm. If skin looks shiny, use 1.
4. If you have combination skin, use it only on tight areas such as cheeks and around the mouth, and skip the nose and forehead.
5. If your cream already contains squalane, you do not need to layer more oil. Add a drop only where skin still feels tight.

Three steps after cleansing.

Which NARINFLA products contain squalane?

On the Korean ingredient lists I checked on October 12, 2026, 3F Ampoule shows squalane and 3F Cream does not. I compared the full ingredient lists on the official NARINFLA store product pages myself.

• 3F Ampoule: squalane is listed fifth, after Centella asiatica leaf water, water, glycerin and butylene glycol. Jojoba seed oil, ceramide NP and sodium hyaluronate are also listed.
• 3F Cream: squalane is not listed. It uses other emollients, such as caprylic/capric triglyceride and dimethicone, plus ceramide NP.

Ingredients are listed in descending order, but NARINFLA does not disclose individual amounts, and list position alone does not show an effect. The ampoule has a slightly viscous texture; I cannot say how much any single ingredient contributes. I suggest applying it in small amounts, a few drops at a time, then finishing with a cream. See the NARINFLA global page for product details.

Squalane on the ingredient list: 3F Ampoule yes (5th), 3F Cream no. Checked October 12, 2026; amounts not disclosed.

What should you check before buying a squalane product?

Check whether the label says squalane or squalene, whether your current products already contain squalane or squalene, whether the origin is stated, and patch test a small area first.

1. Is it squalane or squalene on the ingredient (INCI) list? Skincare products usually list squalane.
2. Does your current cream or serum already contain squalane or squalene?
3. Does the product state a plant-derived or olive-derived origin? If not, ask the brand.
4. Have you patch tested a small area first?

Save this card for your next ingredient check.

Frequently asked questions

Are squalane and squalene the same ingredient?

They share the same 30-carbon backbone but are different materials. Squalene (C30H50) has six double bonds and oxidizes easily. Squalane (C30H62) has had hydrogen added to remove them, so it is much more stable. Skincare labels almost always list squalane.

Is squalane made from sharks?

It can be. Squalane can be made from shark liver oil or from plant sources such as olives and sugarcane. Reports from Oceana (2008, 2013) and BLOOM (2012) describe shark-derived material in cosmetics, and EU labeling rules in 2013 did not require brands to state the source. If this matters to you, look for a plant-derived or olive-derived statement, or ask the brand.

Is squalane comedogenic?

No label can promise that. Comedogenic ratings come largely from rabbit-ear tests, which a 2025 review says have given inconsistent results on human skin, and there is no standard for a "non-comedogenic" claim. If you are acne-prone, patch test a small area first and use a small amount.

Can I use squalane on oily or combination skin?

Many people do, in small amounts. The American Academy of Dermatology suggests skipping oily areas when moisturizing. Try applying it only to tight areas such as the cheeks and keep it away from the nose and forehead if they feel shiny.

Does squalane add moisture to dehydrated skin?

Not by itself. Squalane is an emollient that sits on the surface and helps skin feel softer and smoother. It does not supply water. Water-attracting ingredients such as glycerin and hyaluronic acid are commonly used to attract water at the skin surface, so squalane is often used in a routine that includes them.

Which oil names do you find confusing on an ingredient list? Tell me in the comments and I will cover them in a future post.

Read next

• Squalane effect: how squalane is used for dryness (original Korean article, NARINFLA Story)
• NARINFLA global site (English)

Sources

1. Huang ZR, Lin YK, Fang JY. Biological and pharmacological activities of squalene and related compounds. Molecules. 2009;14(1):540-554. PMC6253993.
2. Chiba K, et al. Comedogenicity of squalene monohydroperoxide in the skin after topical application. 2000. PMID 10845185.
3. Sethi A, et al. Moisturizers: the slippery road. Indian J Dermatol. 2016;61(3):279-287. PMC4885180.
4. Oliveira ALS, et al. Effect of squalane-based emulsion on polyphenols skin penetration: ex vivo skin study. Colloids Surf B Biointerfaces. 2022. PMID 35994992.
5. Cosmetic Ingredient Review Expert Panel. Squalane and Squalene (re-review). Int J Toxicol. 2023. PMID 37752766; CIR safety assessment draft, April 2019 panel meeting.
6. Oceana. Unilever to End Use of Shark Products in Cosmetics (2008), oceana.org; Oceana Europe, Consumers unaware of endangered shark liver oil in cosmetics (June 4, 2013).
7. BLOOM Association. The hideous price of beauty (November 22, 2012), bloomassociation.org.
8. Starzyk T, et al. Comedogenicity in cosmeceuticals: a review of clinical relevance, regulatory gaps, and future directions. JAAD Reviews. 2025.
9. American Academy of Dermatology. Dermatologists' top tips for relieving dry skin; How to pick the right moisturizer for your skin.
10. NARINFLA official store pages, 3F Ampoule (product 12) and 3F Cream (product 24), ingredient lists checked October 12, 2026.

This post is cosmetic ingredient information. It is not medical advice and does not diagnose or treat any condition. If irritation or breakouts persist, talk to a dermatologist. I am the founder of NARINFLA, a cosmetics brand, and this post mentions NARINFLA products.