Cosmetic preservation has become one of the key challenges in the industry today, triggering a great interest for alternative preservation systems that are widely antimicrobial, dermatologically and toxicologically safe and that have ‘consumer friendly’ INCI names, such as botanical names. By Dr Barbara Olioso MRSC - The Green Chemist Consultancy, UK.
Very few of these multifunctional ingredients tick all of these boxes; however, one that does is the honeysuckle extract from the Lonicera japonicaand Lonicera caprifoliumflowers used in Plantservative WSr by Campo Research. In this article I shall review this botanical extract combination, looking at its origin, chemistry, applications, antimicrobial performance, safety data, sustainability, parabens and formaldehyde content (or lack of).
Origin and uses
Lonicera caprifolium, also commonly called Italian honeysuckle, is a deciduous climber native to Europe. The fruit are eaten raw1 and its flowers can be used to make tea.2 In Culpeper’s Herbal3 it is recommended to use it for asthma and to clear the skin of “morphed, freckles and sun-burning”.
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