Valmiki Ramayana Ayodhya Kanda Sarga 118 Shloka 20
Original Shlokaअङ्गरागेण दिव्येन लिप्ताङ्गी जनकात्मजे। शोभयिष्यसि भर्तारं यथा श्रीर्विष्णुमव्ययम्।।2.118.20।।
1 source checked for this shloka
जनकात्मजे O daughter of Janaka, दिव्ये O divine lady, अङ्गरागेण with fragrant unguent, लिप्ताङ्गी anointing to your body, श्रीः Lakshmi, अव्ययम् imperishable, विष्णुम् Vishnu, यथा how, भर्तारम् your husband, शोभयिष्यसि you will enhance the glory.
O daughter of Janaka, you will enhance the glory of your husband by anointing your body with this divine, fragrant unguent to your body like Lakshmi enhancing the glory of eternal Visnu.