The waterless beauty category has evolved considerably over the past few years. What started as a sustainability story has become something broader. Today, brands use waterless formulation to communicate a new kind of product value.
A recent example illustrates this shift well. In March 2026, LIXR Beauty launched the Skin Shake Bi-Phase Tinted Serum at Sephora across North America. The product’s imagery positions it as “Waterless, silicone and preservative free.” Meanwhile, TrendHunter’s analysis describes how removing water enables “preservative-free, concentrated products.” The formula uses a squalane and jojoba oil base with micro-encapsulated mineral pigments.
This launch reflects a wider pattern. Increasingly, three claims appear together: waterless, preservative-free, and concentrated. Together, they create a value narrative that resonates with today’s consumers. For formulators, it is worth exploring how this narrative works, what it gets right, and where the science adds important nuance.
A New Value Narrative
For consumers, this combination of claims tells a simple and appealing story. Brands remove water — often the most abundant ingredient in traditional cosmetics. Without water, there is less need for preservatives. And without water taking up space in the formula, the remaining ingredients sit at higher concentrations. The consumer takeaway is clear: you pay for what matters.
There is real substance behind parts of this story. The global waterless cosmetics market is now valued at over $11 billion and growing at double-digit rates. Multiple analysts expect it to more than double within the next decade. The category offers genuine sustainability benefits, novel product formats, and the ability to deliver oil-soluble ingredients at higher levels. These advantages have earned the trend its momentum.
At the same time, each element of this claims triad involves formulation nuances worth exploring. The goal is not to dismiss the trend. Rather, it is to ensure that formulators understand what they are working with and what they are communicating to consumers.
Waterless Formulation: Understanding What Changes
Water plays several functional roles in a cosmetic formula. First, it acts as a solvent for water-soluble actives like niacinamide, hyaluronic acid, and vitamin C derivatives. Second, it forms the continuous phase of emulsions that help deliver ingredients into the skin. Third, it shapes the sensory profile — the light, fresh textures many consumers associate with daily skincare. Finally, it enables humectants to draw moisture into the upper skin layers.
When you remove water, you do not simply get a more concentrated version of the same product. Instead, you get a fundamentally different type of formulation. Anhydrous systems rely on oils, butters, waxes, and esters. They have their own strengths: they can work well as vehicles for oil-soluble actives, emollients, and occlusives. They often feel richer and more nourishing. And they can offer excellent stability when well formulated.
However, they cannot deliver water-soluble actives in the same way. Their sensory profile also differs from what many consumers expect. Neither approach is inherently superior. Water-based and waterless formulations are simply different tools, each suited to different product goals. Understanding this helps formulators choose the right approach for each project, rather than defaulting to a trend.
Preservative-Free: A Characteristic or a Claim?
The link between waterless formulation and preservative-free claims rests on solid science. Microbial growth depends on the availability of free water, measured as water activity (aw). Genuinely anhydrous products typically have very low water activity — well below the threshold where most microorganisms can grow. As a result, traditional antimicrobial preservatives are often not needed. This is well-established science and one of the genuine advantages of anhydrous formulation.
The nuance lies in how brands communicate this characteristic. When marketing presents “preservative-free” as an added benefit — suggesting the product is gentler, purer, or safer — it can give the impression that preservatives are inherently undesirable. In reality, antimicrobial protection serves an essential safety function. It protects consumers from microbial contamination in products that contain water. For the majority of cosmetic formulations, it is a necessary part of product safety, not a compromise.
So what should formulators consider? — then answers with formulation type and area of application (oil serum on intact skin vs. powder near the eyes vs. balm on compromised skin), followed by a second paragraph on GMP: oils carrying spores that survive in anhydrous conditions but germinate once moisture is introduced during consumer use. It makes clear that GMP controls, raw material specs, and micro testing remain essential regardless of low water activity.
It is also important to remember that stability challenges do not disappear in anhydrous systems. Oil-rich formulations face oxidative degradation — rancidity, discolouration, and loss of active potency. Formulators typically address this with antioxidants. So a product may be free from antimicrobial preservatives while still requiring careful stabilisation.
Concentrated: A Different Kind of Potency
The claim that waterless products are more concentrated follows simple maths. Remove the water, and the remaining ingredients make up a larger share of the formula. Some brands highlight this with specific figures, such as pigment levels several times higher than in conventional products.
This can be a real advantage. For oil-soluble actives, emollients, and mineral pigments, waterless formats can deliver more functional ingredients per application. This is one of the genuine strengths of anhydrous formulation and a legitimate point of differentiation.
Still, concentration and efficacy are not the same thing. The effectiveness of an active depends on its optimal dose, how well it reaches its target in the skin, and how it interacts with other formula components. In some cases, more is not better. Certain actives have optimal concentration ranges. Going above them may offer no extra benefit — or may deliver a cheap oil.
There is another important consideration. Many of the most clinically validated actives in skincare — including niacinamide, ascorbic acid, certain peptides, and alpha hydroxy acids — are water-soluble. They need an aqueous phase for effective delivery. As a result, a waterless product is not a concentrated version of a water-based serum. It is a different formulation that uses a different set of ingredients. Both can perform excellently. However, framing waterless as inherently “more concentrated” invites a comparison that may not apply.
For formulators, clarity matters. When developing waterless products, be specific about what you are concentrating and why it benefits the consumer. This approach is more credible than relying on “concentrated” as a general value claim.
A Formulator’s Perspective
The waterless beauty trend is driving genuinely innovative products. It is also pushing our industry to think differently about formulation, sustainability, and product formats. The LIXR launch, with its bi-phase format and micro-encapsulated pigments, is a good example of the creative work this trend inspires.
As the category matures, formulators have an opportunity to bring scientific depth to the conversation. The waterless, preservative-free, concentrated narrative works well in marketing because it tells a simple, coherent story. Our role is not to dismiss that story. Instead, we can help brands ground it in formulation reality — communicating the genuine strengths of waterless products without overstating what the format can do.
Ultimately, the most effective approach is to let the formulation speak for itself. A well-designed waterless product with clear benefits, appropriate stability, and honest claims will always outperform one that relies on perception rather than evidence.
If you are developing waterless products and need preservation and stability solutions for anhydrous systems, visit Green Chem Finder compendium. The compendium includes a searchable database of sustainable cosmetic ingredients, including oil-soluble antimicrobials and water-free diols that support product safety without relying on traditional Annex V preservatives. Registration is free, and the database covers detailed technical profiles from over 57 global suppliers.
Happy water day by the way 🙂
By Dr Barbara Olioso, MRSC, is a green chemist with over 25 years’ experience in cosmetic science, specialising in green preservation and sustainable formulation. A member of the Society of Cosmetic Scientists and author of The Green Chemist’s Handbook for Cosmetic Preservation, she created GreenChem Finder to help formulators make informed, data-driven ingredient choices. She regularly contributes to industry events and publications including in-Cosmetics Global, COSSMA and SOFW