Relative humidity is the percentage or ratio of the amount of water vapor in a volume of air at a given temperature and the amount that it can hold at that given temperature. An amount of water vapor in warm air will result to a lower relative humidity than in cool air.ummary: 1.Humidity is the amount of water vapor in the atmosphere while relative humidity is one type of humidity. 2.Humidity is the water content of the mixture of water vapor and other elements found in the air while relative humidity is the percentage of water vapor in the air at a given temperature.
Actinic keratosis (AK) is a UV lightâinduced lesion of the skin that may progress to invasive squamous cell carcinoma. It is by far the most common lesion with malignant potential to arise on the skin. See the image below.
Geraldine Murphy, Managing Director of LEO Pharma, which makes the gel, said âThe introduction of Picato in the UK and Ireland is a significant advance for patients suffering from AK. AK can lead to non-melanoma skin cancer and is a growing problem throughout the world.iew. comments. A new treatment for skin damage that can lead to cancer has been created from the sap of a common garden weed. Picato gel is a fast-acting treatment for actinic keratosis (AK), which appears as red, rough patches of skin often on the face, balding scalp, backs of hands and trunk of the body.