In this article
1What is plant-derived squalene2What plant-derived squalene is used for on the skin3How to use plant-derived squalene in your routine4What results are realistic5Compatibilities in real skin6When plant-derived squalene is not the answer7Pregnancy and breastfeeding8Frequently asked questions9Sources and referencesIn summary: Plant-derived squalene is an emollient lipid very similar to skin that helps to soften, provide comfort and support barrier function. It does not exfoliate or treat blemishes or acne on its own, but it fits very well into routines for dry, sensitive or compromised skin.
What is plant-derived squalene
Squalene is a lipid that the skin recognizes well because it is a natural part of human sebum. In cosmetics, it can be obtained from plant sources, and its main interest lies in its ability to improve skin softness and reduce feelings of tightness.
It's important to make a distinction here: in many products, squalene and squalane are discussed almost as if they were the same, but they are not identical. Squalane is a more stable version. In practice, both are used for their emollient profile, although the stability of the formula changes depending on the derivative chosen.
What plant-derived squalene is used for on the skin
Its main function is to act as an emollient. This means it helps the skin feel more supple, less rough, and more comfortable. In addition, it helps to reduce transepidermal water loss, which is especially useful when the skin barrier is compromised.
Those who tend to notice it most are dry, dehydrated or sensitized skin due to an excess of active ingredients. It can also suit normal skin that desires a nourishing yet relatively light texture. My opinion as a pharmacist is that it's not the ingredient that transforms skin on its own, but it is one of those supports that greatly improves the overall tolerance of a routine.
How to use plant-derived squalene in your routine
It is commonly found in oily serums, facial oils, or creams. It can be applied to clean skin, typically after water-based products and before cream if the format is light, or as the last treatment step if presented as an oil.
It can be used morning and night. If your skin tends to lose comfort easily, it usually works best in your nighttime routine or during dry weather, windy conditions, or intensive use of exfoliants and retinoids.
Which skin types does it suit best?
Especially dry, sensitive, reactive skin, or skin with a weak barrier. It's not always superfluous for oily skin, but it's important to evaluate the final texture of the complete formula to avoid overly greasy finishes.
What results are realistic
It is reasonable to expect more supple, less tight, and more comfortable skin. It can also help make flaky areas less noticeable. Do not expect it to have a depigmenting, exfoliating, or anti-acne action comparable to other specific active ingredients.
Compatibilities in real skin
Plant-derived squalene combines well with humectants like glycerin or hyaluronic acid, and also with soothing ingredients like centella asiatica or panthenol. In routines with retinoids or acids, it can be good support to cushion the feeling of dryness.
The response changes with the rest of the formula, so it's not enough to just see the ingredient name in the INCI: the vehicle, the total concentration of lipids, and the initial skin type all matter greatly.
When plant-derived squalene is not the answer
If your main goal is to treat inflammatory acne, blemishes, or pronounced wrinkles, squalene falls short as a primary active ingredient. It can complement a routine well, yes, but it does not replace ingredients with more specific evidence for those concerns.
Pregnancy and breastfeeding
In common cosmetic use, plant-derived squalene is considered a compatible option due to its emollient role and low reactivity. However, if you are pregnant and have particularly reactive skin or a specific dermatological condition, it is worth reviewing the product's complete formula, not just this ingredient.
Frequently asked questions
Are plant-derived squalene and squalane the same?+
Not exactly. They are related and share an emollient profile, but squalane is a more stable form. In cosmetics, they are used for similar purposes, although formula stability can vary.
Is plant-derived squalene suitable for oily skin?+
It can be, but it largely depends on the product's overall texture. In a light formula, it can provide comfort without excess, whereas in very rich vehicles, it might be too heavy for some oily skin types.
Can it be combined with retinol or acids?+
Yes. In fact, it often fits well as support in routines that dry out or sensitize the skin, as it helps improve the feeling of comfort and strengthen the skin barrier.
Does plant-derived squalene clog pores?+
It is not generally considered a particularly problematic ingredient, but tolerance depends on the final formula and how your skin reacts to lipid-rich products.
Sources and references
- Chorilli M, et al. 2011. Liposomes in topical applications: squalene and skin-related lipids. Journal of Biomedical Nanotechnology. https://doi.org/10.1166/jbn.2011.1325
- Lin TK, Zhong L, Santiago JL. 2018. Anti-Inflammatory and Skin Barrier Repair Effects of Topical Application of Some Plant Oils. International Journal of Molecular Sciences. https://doi.org/10.3390/ijms19010070
- Meyer F, et al. 2009. Squalene in sebum and skin surface lipids: chemistry and possible roles. Biochimie. https://doi.org/10.1016/j.biochi.2009.02.001
