1. to add moisture to something, especially to make skin or hair less dry

Examples

• She moisturizes her face every morning and night.
• The lotion helps moisturize dry skin.
• Don’t forget to moisturize your hands after washing them.
• The conditioner will moisturize your hair.
• He uses a special cream to moisturize his elbows.
• The humid air helps moisturize the plants naturally.