and Ibn Maʿīn said, “This ḥadith is munkar (denounced).” Ibn ʿAdī said, “It is mawqūf (stopped at the Companion),” al-Bayhaqī stated, “Its marfūʿ (Prophetic) attribution is not established,” and Ibn al-Qayyim declared it unsound.
Since neither the reports that permit kohl nor the reports that forbid it are authentic, the correct view is that of the majority of scholars: we keep to the original presumption of permissibility and do not depart from it except with evidence. In this case there is no proof that applying kohl breaks the fast. Allah knows best.
A useful note:
The acts that invalidate the fast fall into two categories.
The first category is unanimously agreed upon by the scholars:
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Apostasy from Islam. Allah, Exalted is He, says: “If you associate others with Him, your deeds will surely be nullified” (al-Zumar 65).
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Deliberate eating or drinking, which includes smoking. Allah says: “Eat and drink until the white thread of dawn becomes clear to you from the black thread; then complete the fast until nightfall” (al-Baqarah 187).
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Sexual intercourse—defined as the glans of the male organ being fully inserted into the private part, whether front or rear, even with an animal. This invalidates the fast of both the penetrator and the consenting partner. Evidence is the ḥadith recorded by al-Bukhārī (1834) and Muslim (1111) from Abū Hurayrah: “A man came to the Prophet ﷺ and said, ‘I am ruined.’ He asked, ‘What has ruined you?’ He replied, ‘I had intercourse with my wife in Ramadan.’ He said, ‘Can you free a slave?’ He said, ‘No.’ He said, ‘Are you able to fast two consecutive months?’ He said, ‘No.’ He said, ‘Can you feed sixty poor people?’ He said, ‘No’ …”
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Ejaculation caused deliberately by direct stimulation short of intercourse—such as touching, kissing, squeezing, mutual fondling, or masturbation—because the discharge of sexual fluid conflicts with the essence and purpose of fasting.
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The onset of menstrual or post-partum bleeding.
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Nutritional injections that make food and drink unnecessary; they are a form of nourishment. The same ruling applies to transfusing blood into the fasting person, for it supplies the body with nutrients that replace