Moisture
Richness, Wetness
noun
うるおい
潤う (うるおう) To Be Moist, To Be Damp, To Be Watered
潤い (うるおい) Moisture, Richness, Wetness
湿気 (しっけ) Moisture, Humidity
漆 (うるし) Lacquer
Your ゆる ointment おい has a lot of Mおいsture.