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Related Experiment Video

Updated: Jun 24, 2026

Effect of Artificial Tear Formulations on the Metabolic Activity of Human Corneal Epithelial Cells after Exposure to Desiccation

Effect of Artificial Tear Formulations on the Metabolic Activity of Human Corneal Epithelial Cells after Exposure to Desiccation

Published on: May 2, 2020

Self-preserving cosmetics.

A Varvaresou¹, S Papageorgiou, E Tsirivas

¹Department of Aesthetics and Cosmetology, School of Health & Caring Professions, Technological Educational Institution, Egaleo, Greece. avarvares@teiath.gr

International Journal of Cosmetic Science

|March 24, 2009

Summary

Consumers increasingly seek preservative-free cosmetics. Hurdle Technology, combining preservation factors, offers a safe alternative to traditional chemical preservatives, ensuring product safety and shelf life.

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Last Updated: Jun 24, 2026

Effect of Artificial Tear Formulations on the Metabolic Activity of Human Corneal Epithelial Cells after Exposure to Desiccation

Effect of Artificial Tear Formulations on the Metabolic Activity of Human Corneal Epithelial Cells after Exposure to Desiccation

Published on: May 2, 2020

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology

Published on: August 23, 2024

Area of Science:

Cosmetic Science
Microbiology
Food Science

Background:

Chemical preservatives in cosmetics face consumer safety concerns.
Growing demand for preservative-free and self-preserving cosmetic formulations.
Alternative antimicrobial ingredients not legislated as preservatives are sought.

Purpose of the Study:

To describe the application of Hurdle Technology in self-preserving cosmetics.
To explore alternative ingredients for cosmetic preservation.
To ensure consumer safety and product longevity without traditional preservatives.

Main Methods:

Application of Hurdle Technology principles for microbial control.
Utilizing multifunctional antimicrobial ingredients and plant-derived extracts.
Controlling variables like water activity, pH, packaging, and formulation type.

Main Results:

Hurdle Technology effectively controls microbial growth in cosmetics.
Alternative ingredients and natural extracts show antimicrobial properties.
Formulation strategies enhance product self-preservation.

Conclusions:

Hurdle Technology is a viable strategy for developing self-preserving cosmetics.
Alternative natural ingredients can replace traditional chemical preservatives.
Combining preservation factors ensures cosmetic safety and extends shelf life.