What is the ruling on using toothpaste while fasting?
Machine translationRead the Arabic original
Question:
The questioner asks: Does cleaning the teeth with toothpaste in the morning of Ramadan or during the day invalidate the fast?
Answer:
It does not invalidate the fast. Using toothpaste in the mouth is permissible for the one who is fasting, but he must spit out what dissolves in his mouth; he must not swallow it. He spits it out and discards it.
The questioner asks: Does cleaning the teeth with toothpaste in the morning of Ramadan or during the day invalidate the fast?
Answer:
It does not invalidate the fast. Using toothpaste in the mouth is permissible for the one who is fasting, but he must spit out what dissolves in his mouth; he must not swallow it. He spits it out and discards it.
Source
قناة «العلامة الدكتور صالح الفوزان»، ما حكم استعمال معجون الأسنان أثناء الصيام؟ — youtube.com
The Arabic text is a machine transcription of the audio recording.