Removing dirt from the navel is among the characteristics of fitrah
Machine translationRead the Arabic original
Question:
He says: Honorable Shaykh, may Allah grant you success, is removing the dirt and filth that accumulates in the navel among the characteristics of fitrah?
Answer:
Without a doubt, when performing the full ritual bath for major ritual impurity, he must attend to the navel and the crevices of the body where water may not reach except through careful attention. As for general cleanliness, it is recommended that he cleans his entire body, including the crevices. Yes.
He says: Honorable Shaykh, may Allah grant you success, is removing the dirt and filth that accumulates in the navel among the characteristics of fitrah?
Answer:
Without a doubt, when performing the full ritual bath for major ritual impurity, he must attend to the navel and the crevices of the body where water may not reach except through careful attention. As for general cleanliness, it is recommended that he cleans his entire body, including the crevices. Yes.
Source
شرح كتاب المنتقى من أخبار المصطفى صلى الله عليه وسلم، بداية من أبواب السواك وسنن الفطرة — islamhouse.com (53:54)
The Arabic text is a machine transcription of the audio recording.