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Microbial Test Kit, 10 Pack - Lotioncrafter




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Microbial Test Kit, 10 Pack - Lotioncrafter
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Microbial Test Kit, 10 Pack - Lotioncrafter   

DIY Testing for Bacteria, Yeast and Mold

Lotioncrafter's Microbial Test Kit is an easy to use testing kit for quality control checking of your cosmetic products.  It consists of a plastic slide coated on one side with Rose Bengal (for bacterial growth) and on the other side with Malt (for yeast and mold growth). There are ten (10) dip slides and 20 sterile swabs included with each kit.

Our Microbial Test Kits are manufactured under aseptic conditions and the agar surfaces contain no toxic ingredients that could be transferred to the products being tested.  Each dip slide is supplied with a transparent, shatterproof protective tube.  Subsequent contamination is therefore prevented, and the results can be evaluated with the tube sealed, thus avoiding the risk of contamination to the user.

Each kit comes with a color chart to help you interpret the results and, because cosmetic products are thick and often swabbed onto the slides rather than dipped, we provide 20 sterile swabs with each kit!

 Benefits

  • Simple application
  • Fast, safe and easy
  • Precise and reliable
  • Economical to use
  • Can be used on surfaces, semi-solid materials, and liquids
  • Separate evaluation of bacteria, yeasts and molds
  • Microbiology training is not necessary to interpret the results

Storage and stability

Our Microbial Test Kit tubes should be stored unopened at room temperature (about +20°C/+68°F) and protected from drought and light (simply leaving them in their sturdy, lightproof box is a good idea).  The slides must not be allowed to freeze. The expiration date is marked on each tube (shelf life is 9-10 months; typically there is about 7-8 months shelf life from the time of manufacture - current stock has a "Best Before End" date of November 19th, 2018, printed on the tube as BBE: YY-MM-DD.  For easy reference, this date is now printed on the box label as well. 

Any unused slide showing microbial growth should be discarded.  Temperature fluctuations may result in condensation settling at the bottom of the dip-slide tube.  This sterile liquid can simply be disposed of down the sink.  The performance and the results of Microbial Test Kit are not affected by this, provided that the media are not visually dehydrated.

How to Use

  • The dip-slide is carefully removed from its container without touching the agar surfaces. It is then dipped into thin or aqueous products and held in contact with the sample for 5-10 seconds so both sides of the slide are completely wetted. 
  • If you're testing a cream or lotion, using a sterile swab, dip into your sample and streak the surface of each agar plate.  
  • Place the slide back in the tube and screw on the top.
  • The test slides can be incubated using an incubator and initial results can be examined and enumerated after 24-48 hours for bacteria and 48 and up to 120 hours for yeast and mold. If no incubator is used and the slides are stored at room temperature, you may need to wait up to 5 days for bacteria and up to 7 days for yeast and mold.  We say "examine" because you may need to leave it in the incubator (or wherever you have it stored) a bit longer, especially for slow-growing organisms, but you want to get a first look in at that time.  If you have organisms that grow quickly, and you leave them for too long, growth will become confluent.
  • After incubation, compare the colony density on the agar surface with the included evaluation chart.  The results should be evaluated with the tube sealed.

Interpretation of Results

The evaluation chart shows colonies formed on the slides which correspond to different degrees of microbial contamination.  The figures are shown in colony forming units per milliliter ( cfu/ml) on the included chart.

  • Colony growth of incubated samples on both sides of the slide is compared to the pictures in the evaluation chart  the picture that most closely resembles the colony density on the agar slide is taken as the test result.
  • Bacterial growth - Most bacteria grow to form red colonies, but colorless colonies may also form and must be taken into consideration.
  • Yeasts and Molds - It is possible for molds or yeast or a mixture of both to grow on the rose bengal agar.

 


Because the manufacturer recommends these be shipped between a temperature of 2°C - 40°C (36°F - 104°F) with a travel time of no more than 1 week, we will not ship these via First Class Mail International or Priority Mail International. Express Mail International or UPS International services are available for our international customers.

DUE TO THE NATURE OF THIS PRODUCT, ALL SALES ARE FINAL, IT MAY NOT BE RETURNED. 


Shipping Information: HS Code 3821000000


Here you will find Material Safety Data Sheets (MSDS) and Technical Data Sheets. The files are in PDF format. To access a file, click on the relevant button or the file name. For your convenience, it will open up in a new browser window.

Please note: You must have Acrobat Reader to view the files listed here. If necessary, the Acrobat Reader link will directed you to a page where it can be downloaded.

Technical Data
Lotioncrafter Microbial Test Kit Instructions

Material Safety Data Sheet (MSDS)


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News
07-03-2018
It is with great sadness we have discontinued shipping to Australia due to the Australian government shifting their burden of tax collection and remission to foreign sellers. Given there is no reciprocal agreement between the USA and Australia for excise tax collection, we are declining to register with Australia and start burdensome international tax collection on their behalf. Please note, this also includes the use of package forwarders as the tax collection burden is still the seller's responsibility. We're unhappy, you're unhappy, but unless the situation changes, this is where we are. Jenny

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