Honeysuckle Flower Extract, when used as a preservative as with these products, is a highly processed and highly concentrated paraben extraction.  From a biological standpoint, they are virtually identical to the synthetic parabens we already know are harmful.  As of this writing, there is no available evidence to indicate a naturally derived version of a paraben is any less toxic for the body than a synthetic version.

For more information on this topic, search for Eliza Moriarty's article as published on the Organic Comsumers Association webpage.