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1. The navel: small, but often forgotten
It may sound strange, but the navel is a place where the following accumulate:
dead skin
soap residue
lint from clothing
Because it’s a moist, warm, and poorly ventilated area, bacteria can multiply more easily. Studies on the human microbiome have shown that the navel contains a wide variety of microorganisms, which is normal, but it only becomes a problem if there is irritation, a strong odor, or discharge.How to clean it properly