Squalane

Squalane (스쿠알란) is a plant oil known for its exceptional skin compatibility and intense moisturizing properties.

INCI name	Squalane
category	moisture, oil
Suitable for	All skin types, especially dry and sensitive skin
Typical concentration	1-10% in creams, up to 100% as facial oil

Characteristic	Evaluation
Moisture supply	★★★★★
Skin compatibility	★★★★★
Antioxidant effect	★★★☆☆
Rapid absorption	★★★★☆
Anti-aging potential	★★★★☆

Squalane is considered one of the most skin-friendly moisturizers in the cosmetics industry and absorbs quickly without leaving a greasy residue. This ingredient strengthens the skin's natural barrier and is perfect for a multi-layered K-beauty routine.

What is squalane?

Squalane is a saturated hydrocarbon originally derived from shark liver oil, but today it comes almost exclusively from plant sources such as olives, amaranth, or sugar cane. Chemically, it is the hydrogenated form of squalene, a lipid that occurs naturally in our skin and makes up about 10-15% of sebum.

Squalane's stability makes it an ideal cosmetic ingredient. While unsaturated squalene quickly oxidizes and becomes rancid, squalane remains stable even when exposed to light and air. This property, combined with its molecular similarity to the body's own lipids, explains the ingredient's exceptional skin compatibility.

In K-beauty, squalane has established itself as a versatile ingredient. Korean formulators particularly value its texture-optimizing properties – squalane gives products a silky, non-sticky consistency and improves the spreadability of other active ingredients. Its molecular structure also allows for deep penetration into the stratum corneum without clogging pores.

This is how squalane works on your skin

Intensive hydration

Squalane acts as an occlusive, forming a protective layer on the skin's surface that reduces transepidermal water loss. Studies by Pappas et al. (2009) in the Journal of Cosmetic Dermatology showed that squalane can increase skin hydration by up to 40%. Unlike heavy oils, however, squalane is quickly absorbed, leaving a silky, non-greasy feel on the skin.

Strengthening the skin barrier

The molecular similarity to the body's own squalene allows the ingredient to seamlessly integrate into the lipid matrix of the stratum corneum. Research by Man et al. (2008) demonstrated that topically applied squalane significantly improves the skin barrier function and reduces inflammatory markers. This makes it particularly valuable for stressed or damaged skin.

Antioxidant properties

Although squalane itself is a weak antioxidant, it protects other antioxidant ingredients from oxidation and prolongs their effectiveness. Additionally, it can increase the stability of vitamin E and other sensitive active ingredients in formulations, as demonstrated by studies by Kohli & Rodeheaver (1991).

anti-inflammatory effect

Squalane exhibits mild anti-inflammatory properties and can soothe irritated or sensitive skin. Its non-comedogenic nature makes it a safe option for acne-prone skin, as it doesn't clog pores while still providing ample moisture.

Improvement of skin texture

Regular use of squalane can improve skin smoothness and elasticity. This ingredient supports natural cell renewal and can reduce the appearance of fine lines through optimal hydration.

Who is squalane suitable for?

skin type	fitness	Advantages
Dry skin	★★★★★	Intense hydration without a heavy texture
Sensitive skin	★★★★★	Minimal irritation potential, calming
Oily skin	★★★★☆	Non-comedogenic, light texture
Combination skin	★★★★★	Balancing effect, versatile
Mature skin	★★★★☆	Improves elasticity, smoothing
Skin prone to acne	★★★★☆	Does not clog pores, soothing

Integration into your K-Beauty routine

Application time: Squalane can be used both morning and evening. It unfolds its regenerative properties optimally in the evening routine, while in the morning it functions as a light moisturizing base under sunscreen.

Routine step: In the typical K-Beauty 10-step routine, squalane belongs in the moisturizing phase (steps 8-9). It can be used as a serum before the cream or as the final step to seal in the routine.

Combination guidelines: Squalane harmonizes excellently with virtually all active ingredients. It works particularly synergistically with niacinamide, hyaluronic acid, and ceramides. When used with retinol, it can mitigate its irritating potential. With vitamin C, it enhances the antioxidant effect and improves penetration.

Application techniques: Gently press 2-3 drops of pure squalane or squalane-containing products into damp skin. Warm palms help with even distribution and improve absorption.

The best K-Beauty products with squalane

Abib Heartleaf Cream Calming Tube - 75 ml (€29.90) combines squalane with heartleaf extract for a soothing, intensely nourishing formula. The creamy texture is particularly suitable for dry and sensitive skin types.

PURITO SEOUL Wonder Releaf Centella Cream Unscented – 50 ml (€22.90) uses squalane as a carrier for Centella Asiatica and offers a fragrance-free option for sensitive skin with optimal tolerability.

VT Cosmetics Reedle Shot Vita-Light Eye Cream - 15 ml (€30.90) integrates squalane into an innovative eye cream formula that provides the delicate eye area with intense moisture without causing milia.

d'Alba White Truffle Double Serum & Cream - 70 g (€59.50) combines squalane with luxurious truffle extracts in a two-phase formula for maximum anti-aging effect and skin regeneration.

NEEDLY pH Balancing Rich Cream - 50 ml (€25.10) uses squalane to regulate pH and strengthen the skin barrier - ideal for stressed skin that needs balance and regeneration.

Squalane in comparison

ingredient	comedogenicity	absorption	stability	Special feature
Squalane	0 (non-comedogenic)	Fast	Very high	similar to the body's own
Jojoba oil	2 (low)	Medium	High	tallow-like structure
Argan oil	0-1	Slow	Medium	Rich in vitamin E
Hyaluronic acid	0	Very fast	High	Water-binding

Myths and facts about squalane

Myth: "Squalane clogs pores and causes impurities."
Fact: Squalane has a comedogenicity index of 0 and has been proven not to clog pores. Studies even show a mild antimicrobial effect, which can be helpful for blemished skin.

Myth: "Oily skin doesn't need squalane."
Fact: Oily skin especially benefits from squalane, as it can regulate natural sebum production. Oily skin often produces more sebum to compensate for a lack of moisture – squalane can break this vicious cycle.

Myth: "Plant-based and animal-based squalane have different effects."
Fact: Chemically, both forms are identical. Plant-based squalane is often even purer, as it contains fewer impurities than squalane originally derived from shark liver oil.

Frequently asked questions about squalane

Can I use squalane daily?
Yes, squalane is so well-tolerated by the skin that it can easily be used twice daily. Most users benefit from regular use.

Is squalane suitable for sensitive skin?
Absolutely. Squalane is considered one of the most tolerable cosmetic ingredients and is particularly recommended for reactive or sensitive skin.

Can squalane replace other moisturizers?
For very dry skin, pure squalane is usually not enough. Ideally, it should be used in combination with water-binding ingredients such as hyaluronic acid.

How can I identify high-quality squalane?
High-quality qualane is colorless, odorless, and has a light, fast-absorbing texture. It should leave no residue and feel silky.

Can squalane be combined with retinol?
Yes, squalane can even improve the tolerability of retinol and mitigate its drying side effects. It should be applied after retinol.

Is squalane photostable?
Squalane is very light-resistant and even offers a small amount of natural UV protection, but it is by no means a substitute for sunscreen.

How long does squalane last?
Due to its saturated structure, squalane is very stable and can last for several years without oxidizing if stored correctly.

Can squalane be used for rosacea?
Yes, squalane's anti-inflammatory and barrier-strengthening properties make it a good choice for rosacea-prone skin. However, it should always be tested on a small area first.