mois‧tur‧ize ( also moisturise British English ) / mɔɪstʃəraɪz / verb [ intransitive and transitive ]
1 to make your skin less dry by using special cream :
You should cleanse, tone and moisturize every day for healthy looking skin.
2 moisturizing cream/lotion/oil etc cream, oil etc that you put on your skin or hair to make it less dry