Waterless Cosmetics

April 28, 2025

zurko

Waterless Cosmetics: Sustainable Innovation That Demands Specialized Evaluation

Waterless cosmetics also known as water-free cosmetics are gaining momentum as one of the leading trends in formulation. This is driven by growing environmental awareness, the need to reduce preservatives, and the pursuit of more concentrated and effective products. In this new paradigm, water which traditionally makes up between 70% and 90% of many cosmetic products is eliminated or replaced with more functional ingredients such as oils, butters, powders, or hydrosols.

Why is it trending?

As a specialized CRO, we play a key role in validating this type of product.

Through tailored studies, we can demonstrate not only the product’s safety but also its stability:

Stability studies under accelerated or climate-specific conditions to validate the physicochemical integrity of water-free formulas.

Microbiological evaluation, even in the absence of an aqueous phase, to ensure product safety in potentially contaminable formulations.

Water activity (aw) analysis: a crucial metric to confirm the product’s ability to inhibit microbial growth without traditional preservatives.

Modified challenge test: essential even for anhydrous formulas, especially if they are rehydrated during use (e.g., facial powders or solid cleansers).

Conclusion

The rise of waterless cosmetics marks a necessary evolution toward more sustainable, effective formulations aligned with the expectations of today’s conscious consumer. However, this new paradigm also demands rigorous technical criteria and specialized evaluations to ensure product safety and performance.

As a CRO experienced in innovative formulations, we are the ideal strategic partner for laboratories and brands seeking to lead in the waterless space. We provide adapted protocols, specialized equipment, and a skilled scientific team for full project support from study design through to final regulatory validation.

Fuel your innovation with solid scientific validation. If you’re developing a waterless line, we’ll help you transform it into a safe, competitive, and market-ready proposition.