Both partners should ensure they are clean and smell pleasant for one another.
: Spouses are encouraged to groom themselves, use pleasant scents, and maintain oral hygiene (Miswak) to make the experience enjoyable for each other. Supplication (Dua)
The Prophet Muhammad (peace be upon him) emphasized that the husband has a duty to satisfy his wife’s needs.
"Your wives are a tilth for you, so go to your tilth when or how you will..." (Surah Al-Baqarah, 2:223)