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Included with each soap reads:
“This petri dish soap is designed to look exactly like what you’re trying to wash off: bacteria! This particular soap is modeled after Salmonella. Salmonella is found in both warm-blooded and cold-blooded animals, humans, and non-living habitats. It is the cause of typhoid fever, paratyphoid fever, and salmonellosis (a foodborne illness).”

It’s a funny reminder to wash well so you get those germs off and stay healthy.

Soap consists of an all natural, hypo-allergenic coconut oil base. This base, when un-dyed, has a slight amber color due to the all natural ingredients… making it look even more realistic as petri dish agar

This “bacteria” is good for your skin too. Scented with a grapefruit fragrance that has nothing to do with bacteria, but smells fantastic.

***Also available unscented. Please specify in notes to seller upon checkout if you would like unscented soaps. Otherwise, soaps will come scented.

Design will be very similar to the picture shown above. However, since no two soaps are exactly alike, you will be receiving a one of a kind petri dish soap.

P a c k a g i n g & S h i p p i n g
Each soap is double “wrapped” first packaged in a petri dish, then placed in a clear cello bag. Each soap package also includes information about the bacteria that it’s modeled after, as well as ingredients information and instructions on how to un-mold the soap from the plastic petri dish.

Measures approximately 90mm x 15mm. Soap itself weighs about 2 ounces (2.6 ounces with petri dish and packaging).

Shipping is via USPS first class mail (shipping times: 3-5 days for US, and 5-10 days for international).

N o t e
Please be aware that this soap, like any other soap, could be irritating to sensitive skin. Please test on a smaller area before washing large areas of skin.

The soap in petri dishes may “sweat” just slightly due to the fact that petri dishes are not air-tight. This is completely normal, as the soap is drawing in moisture from the air.

-To un-mold soap, just flip the petri dish over, and gently press the center of the dish until the soap slides out. Do not push too hard, as these petri dishes have not been tested for strength! If you have trouble un-molding, you can also place the dish in a freezer for a few minutes before trying again-

Soap - Black Salmonella in a Petri Dish (Grapefruit)


  • Handmade item
  • Materials: sodium cocoate, sodium palmate, ricinus communis seed oil, carthamus tinctorius seed oil, glycerin, water, sorbitol, sorbitan oleate, glycine soja protein, fragrance, color, petri dish
  • Feedback: 1428 reviews
  • Ships worldwide from Texas, United States