Ethylhexylglycerin as a safe and eco-friendly alternative to isothiazolinone preservatives in all-purpose cleaners
A research initiative exploring Ethylhexylglycerin as a safer, more stable, and biodegradable alternative to Isothiazolinone-based preservatives in all-purpose cleaning products. The project aims to validate its antimicrobial efficacy against common bacterial strains, supporting manufacturers in meeting growing demand for eco-friendly, low-irritation formulations without compromising preservation performance.
Overview
This research investigates Ethylhexylglycerin as a viable alternative to Isothiazolinone preservatives commonly used in all-purpose cleaning products. Isothiazolinone has been associated with skin irritation, allergic reactions, and environmental hazards, creating pressure on manufacturers to find safer substitutes. Ethylhexylglycerin is a widely regarded safe, non-irritating preservative with strong pH and temperature tolerance, making it well suited for a range of cleaning formulations. Its biodegradable profile further positions it as a responsible choice for manufacturers seeking to align with sustainability goals while maintaining product shelf life and reducing costly re-formulations.
Technical specifications
Key features and benefits:
- Safety profile: Non-irritating and associated with low allergenic potential, reducing consumer sensitivity concerns compared to Isothiazolinone
- Stability: Highly resistant to pH and temperature variations, enabling consistent preservation across diverse cleaning product formulations
- Environmental compatibility: Biodegradable with no known negative environmental impact, supporting eco-friendly product positioning
- Long-term preservation: Does not degrade easily, reducing the frequency of preservative re-formulations and associated costs
Validation approach:
- A standard all-purpose cleaner will be formulated with varying concentrations of Ethylhexylglycerin and Benzisothiazolinone
- Formulations will be inoculated with standard bacterial strains including Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa
- Bacterial growth will be monitored over time using standard microbiological techniques
- Comparative analysis will determine the relative antimicrobial efficacy of Ethylhexylglycerin versus Benzisothiazolinone
Technology readiness level
This research is at an early experimental stage, focused on laboratory-based validation of Ethylhexylglycerin's antimicrobial performance in cleaning formulations. The study will establish foundational efficacy data through controlled microbiological testing against benchmark preservatives. Further formulation optimization, stability testing, and scaled validation would be required prior to commercial deployment.
About R.V. College of Engineering
RV College of Engineering (RVCE) is an autonomous, self‑financing engineering institution in Bengaluru, affiliated to Visvesvaraya Technological University and accredited NAAC A+. It connects to industry through an active Industry Institute Interaction Cell, 150+ MoUs, and co‑located, industry‑sponsored labs and Centers of Excellence that enable joint training, prototyping, and upskilling on campus. Proximity to Bengaluru’s technology cluster supports internships, capstone co‑supervision, and consultancy engagements throughout the year. Research here is supported by competitive national programs and industry, including DRDO/NRB, AICTE, and ISRO collaborations. An IP Coordination Cell, together with incubation resources and a student‑run Entrepreneurship Development Cell, assists with patenting, licensing, and venture formation.
delivered to your inbox.