I have not seen any of our companions consider kohl disliked for the fasting person, and Ibrahim used to permit the fasting person to apply aloe as kohl.
حدثنا محمد بن عبد الله المخرمي ويحيى بن موسى البلخي قالا حدثنا يحيى بن عيسى
ما رأيت أحدا من أصحابنا يكره الكحل للصائم وكان إبراهيم يرخص أن يكتحل الصائم بالصبر
No references are available.
Sourcing, its isnad is hasan. The chain is hasan up to Amash, and daif up to Ibrahim, because Amash did not explicitly state that he had heard it directly.