Category Archives: Preservatives

Commonly requested test methods for personal are and cosmetic products include: Preservation ASTM E640 – Preservatives in Water-Containing Cosmetics ASTM E645 – Evaluation of Preservatives in Cooling Water (Industrial Water Testing) Shelf Life Accelerated Aging – Heat Accelerated Aging – Spray/Wipe Accelerated Aging – UV Exposure Accelerated Aging – Water Mist Biodegradation OECD 301B for […]

Personal Care Test Methods

Bacterial contamination has once again resulted in a large scale product recall, this time with baby wipe; and this is an entirely avoidable problem.   Apparently after opening a package of baby wipes, customers discovered the wipes were discolored and had an unpleasant order.  Further microbial testing indicated that the contaminant was (in part) Burkholderia cepacia.  A common bacteria, B. cepacia may cause […]

Personal Care Quality Control Testing

Of the more prominent challenges facing the construction industry are those related to  deterioration of material and structures by actions of microorganisms.  The process is  loosely known as Microbial Induced Corrosion (MIC), which belies an incredible range of processes occurring as a result of the growth of microorganism, principally bacteria, on our steel and concrete […]

Concrete & the Challenge of Microbial Induced Corrosion

Formaldehyde is the most basic form of aldehyde representing the class of reactive antimicrobials. Situ Biosciences – Microbial Test Experts Did you know? Formaldehyde and aldehydes can be volatile at room temperature leading to the odor commonly associated with preservation of tissue or tissue samples such as in laboratories, hospitals, and mortuaries. 

Antimicrobial Preservatives and Additives – Aldehydes

or “Which antimicrobial is best?” …unfortunately it’s not so simple. Product manufacturers have a challenging task when it comes to selecting antimicrobials for their products. Very few manufacturers have access to either in-house microbiology or formulation experts, or contract laboratories that have both microbial facilities and sufficient expertise in their product requirements. Details matter. For […]

The Best Antimicrobial Additive