The goal is to improve the underarm odor by changing the microbiome. The autochthonous bacterial community is replaced by a non-smelling microbiome, by daily application of bacteria in a spray.
Participants are recruited and selected based on their initial underarm odor and underarm microbiome. The participants use two sprays: one spray containing the bacteria, and the other nothing (placebo). Participants do not know which spray they have. They use one spray during one month, and meanwhile take samples of their underarm microbiome (for sequencing), volatome (for GC/MS analysis) and odor (for odor panel analysis). Samples are stored in the freezer and brought to the university after one month, when they receive the second spray. The bacterial spray contains bacteria that are correlated with good underarm odor.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
67
Bacterial spray containing bacteria that do not cause underarm malodor
Ghent University
Ghent, Belgium
Improved underarm odor
Odor panel and GC/MS results provide insights on underarm odor development
Time frame: 1 month
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