It is recommended to apply perfume just before entering Ihram, and it is recommended to use Musk, and it does not matter if its glistening traces remain Sahih Muslim 1190 f
Arabic hadith text
وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا مَالِكُ بْنُ مِغْوَلٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الأَسْوَدِ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، - رضى الله عنها - قَالَتْإِنْ كُنْتُ لأَنْظُرُ إِلَى وَبِيصِ الطِّيبِ فِي مَفَارِقِ رَسُولِ اللَّهِ صلى الله عليه وسلم وَهُوَ مُحْرِمٌ .
Translation
'A'isha (Allah be pleased with her) reported
I still seem to perceive the glistening of perfume where the hair was parted on Allah's Messenger's (ﷺ) head as he was in the state of Ihram.