Volufiline: Can a Topical Serum Restore Facial Volume?

Volufiline has been called a "filler alternative,"² a serum that could replenish the cushioning beneath an under-eye hollow and soften its shadow. The lab results behind the idea are real, but the human study most often cited for it measured breasts, not faces.³ If you're hoping a Volufiline serum will fill an under-eye hollow, it's worth rethinking. The available evidence hasn't shown that putting it on your face restores lost fat or reliably fills a hollow.

Why the idea is plausible

The filling effect is proposed to come from sarsasapogenin, a compound taken from the root of Anemarrhena asphodeloides. It's thought to help precursor cells mature into fat cells (adipocytes), which store lipids, and to encourage lipid buildup. A fat cell that stores more lipid grows larger, and enough larger fat cells in the right tissue could, in principle, change a contour.

The lab evidence is real. In the developer's published patent experiments, cell cultures treated with the compound built up more lipid and had larger adipocytes, and the patent reports results in human adipocytes too.³

But the cells in the patent experiments got the compound directly, in a dish. On your face, a serum has to get it through skin first, and skin's outermost layer restricts how substances move into deeper tissue. Some medicines do cross skin, but how much reaches its target depends on the molecule, its formula and how it's applied.⁴ The label won't tell you the dose, either. The commercial ingredient blends sarsasapogenin with hydrogenated polyisobutene, a skin-softening carrier, and Volufiline is the name of the whole blend. So a serum's Volufiline percentage includes the carrier and doesn't tell you how much sarsasapogenin it contains.²

For a visible change under your eyes, sarsasapogenin would have to get through your skin, reach the fat cells under a hollow and change enough tissue to make the hollow shallower. It might also work indirectly, through signaling, which would need its own evidence linking application to a response in the tissue. The research reviewed here hasn't established either route in human under-eye tissue.

What did the human study show?

The breast study, described in the developer's patent, evaluated results from 28 participants, each of whom used the cream on one breast and left the other untreated. Optical measurements of the upper breast showed an average change of 2.2% on the treated side and 0.9% on the untreated side. The often-highlighted 8.4% figure came from the eight best responders.³ So the headline number describes the people who responded most, not the typical result.

The numbers are weaker than they first look. The change on the treated side had a p-value of 0.10, which misses the conventional 0.05 threshold for statistical significance. It also describes the treated side alone, not a difference between the two sides. And because the untreated side got no cream at all, the study couldn't separate the effect of Volufiline from the effect of the cream it came in.³

So the breast study is preliminary evidence about contour, with an uncertain cause, and it didn't show new fat tissue or the correction of a facial hollow.³ Even a convincing breast result wouldn't settle the question for your face. A facial study would still need to show how much a hollow changes and whether someone can see the difference. A percentage measured on another part of the body doesn't convert reliably to the face.

Why skin can look fuller anyway

A serum can still make your under-eye area look better, for reasons that have nothing to do with fat. The groove between your lower eyelid and cheek takes its shape from several structures at once: bone, the attachments that hold tissue in place, skin thickness, and how much fat there is and where it sits. A hollow can also sit beneath a protruding under-eye bag.¹ So the skin over a hollow can improve while the hollow itself stays.

If the skin over a hollow is dry and finely creased, a serum might leave it smoother and change how it catches the light, making the eye area look fresher. Moisturizing alone can make skin look fuller, because more water in the outer layer can improve smoothness, softness and the way skin reflects light.⁵ Think of a dry sponge softening in water. Researchers have also measured changes in superficial skin thickness and hydration that depend on the formula.⁶

Smoother skin over a hollow could make a visible difference even if the hollow keeps its depth. A photograph could capture the improvement without showing what caused it, and lighting, head position, expression and when the photo was taken all affect the comparison too. So a before-and-after photo of fuller-looking skin doesn't tell you which tissue changed.

What we don't know yet

The case against Volufiline rests on missing evidence, and a good study could change it. If a serum adds fat tissue, a controlled study on faces should pick that up beyond the effect of the base formula. If the benefit comes mainly from hydration and surface smoothing, the improvement could come with more water in the outer skin and no comparable increase in fat. A fat effect and a hydration effect could also happen together.

For now, the available evidence gives no reliable prediction of how much under-eye filling Volufiline will produce, who will respond, how long a tissue effect would take, or whether it would last after you stop. Long-term tolerability around the eyes is another open question, and short experiments on other parts of the body can't answer it.

What to expect from a serum

A well-formulated serum may give you softer, smoother or superficially plumper-looking skin. That can be a worthwhile result, though how big it is and how much Volufiline contributes are still uncertain. If you try a Volufiline serum, judge it by how the skin over the hollow looks and feels, not by whether the hollow gets shallower.

Filling the hollow itself would mean changing the tissue that supports it. Volufiline's lab findings make that worth investigating, but they aren't yet evidence that it happens in the face. If a product promises to fill hollows, look for a controlled study on faces that compares the serum with the same formula without Volufiline.

Sources

1. Jiang J, et al. Tear trough deformity: different types of anatomy and treatment options. Postepy Dermatol Alergol, 2016.
2. Humayun N. What is Volufiline? Dermatologists weigh in on the viral 'filler alternative'. Magazine article, Marie Claire UK. Accessed October 22, 2026.
3. Lintner K, Mas Chamberlin C. Composition comprising sarsasapogenin. U.S. patent US8361516B2. Issued January 29, 2013. Cell-culture experiments and human study methods and results.
4. Guy RH. Drug delivery to and through the skin. Drug Delivery and Translational Research, 2024.
5. Draelos ZD. The science behind skin care: Moisturizers. Journal of Cosmetic Dermatology, 2018.
6. Crowther JM, et al. Measuring the effects of topical moisturizers on changes in stratum corneum thickness, water gradients and hydration in vivo. British Journal of Dermatology, 2008.