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Formulation and Evaluation of Alcohol-Free Hand Sanitizer Gels to Prevent the Spread of Infections during Pandemics

Author

Listed:
  • Rayan Y. Booq

    (National Center for Biotechnology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Abdullah A. Alshehri

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Fahad A. Almughem

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Nada M. Zaidan

    (Center of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Walaa S. Aburayan

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Abrar A. Bakr

    (National Center for Biotechnology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Sara H. Kabli

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Hassa A. Alshaya

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Mohammed S. Alsuabeyl

    (Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), 6086, Riyadh 11442, Saudi Arabia)

  • Essam J. Alyamani

    (National Center for Biotechnology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

  • Essam A. Tawfik

    (National Center for Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)

Abstract

Hand hygiene is an essential factor to prevent or minimize the spread of infections. The ability to prepare an alcohol-free hand sanitizer (AFHS) with antimicrobial properties is crucial, especially during pandemics, when there are high demands and a low supply chain for ethanol and isopropanol. The objective of this study was to prepare AFHS gels based on natural materials that contain essential oils (EOs) that would be effective against a broad spectrum of pathogens. The results showed that the organoleptic characteristics of all prepared hand sanitizer gels were considered acceptable. The pH of the formulations was slightly acidic (circa 3.9) owing to the presence of aloe vera in large proportions (90% v / v ), which is known for its acidity. The spreadability for all tested formulations was in the acceptable range. The antimicrobial effectiveness test demonstrated that the prepared hand sanitizer gels had antimicrobial activities against different gram-positive and gram-negative bacteria and Candida albicans yeast. The highest antibacterial effect was observed with tea tree oil hand sanitizers, which lack activity against the yeast, while clove oil hand sanitizers showed effectiveness against all microorganisms, including Candida albicans . The lavender hand sanitizer exhibited the least antimicrobial efficiency. The acceptability study on 20 human volunteers showed that the hand sanitizer gel containing 1.25% ( v / v ) clove oil did not produce any signs of skin irritation. This study suggested that the prepared natural hand sanitizer gel with 1.25% ( v / v ) clove oil can be a potential alternative to commonly used alcohol-based hand sanitizers (ABHS).

Suggested Citation

  • Rayan Y. Booq & Abdullah A. Alshehri & Fahad A. Almughem & Nada M. Zaidan & Walaa S. Aburayan & Abrar A. Bakr & Sara H. Kabli & Hassa A. Alshaya & Mohammed S. Alsuabeyl & Essam J. Alyamani & Essam A. , 2021. "Formulation and Evaluation of Alcohol-Free Hand Sanitizer Gels to Prevent the Spread of Infections during Pandemics," IJERPH, MDPI, vol. 18(12), pages 1-15, June.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:12:p:6252-:d:571969
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    References listed on IDEAS

    as
    1. Jane Lee Jia Jing & Thong Pei Yi & Rajendran J. C. Bose & Jason R. McCarthy & Nagendran Tharmalingam & Thiagarajan Madheswaran, 2020. "Hand Sanitizers: A Review on Formulation Aspects, Adverse Effects, and Regulations," IJERPH, MDPI, vol. 17(9), pages 1-17, May.
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