Labial dryness can be caused by all sorts of life events. Cleo is an all natural moisturizing cream that is applied to your Labial skin to soothe and moisten the. Note: Cleo is not meant to be used as a lubricant. Cleo comes in a 30 ml tin that needs to be stored at room temperature. Cleo melts on contact with your skin. It is the world’s only 100% natural moisturizer formulated to help your labia retain its optimal pH of 4.5 to 5.5. There’s science involved in this but that just means our lips are healthiest when the labial environment is just a little more acidic than our skin pH of 7.