Your Skin Will Thrive With Beautypro Hydratest. This Innovative, Pocket Sized Device Measures The SkinâS Hydration And Oil Levels, Helping You To Maximise The Impact Of Your Skincare Routine Battery Operated Follow Battery Care Guide Below. Keep Skin Testing Sensors Clean And Wipe After Every Use With A Clean, Dry Tissue. Do Not Use Alcohol Or Any Liquids To Clean Any Part Of This Device. Do Not Immerse The Device In Water. Do Not Use On Any Area Of The Skin Where There Is Bleeding, Wounds Or Broken Skin Press The Measure Button Once, Apply The Contact To The Skin Zone You Wish To Check And The Digital Read Out Will Display Oil And Hydration Level Within 3 To 5 Seconds. This Information Is Then Cross Referenced With A Guide Included With The Product. Lightweight And Easy To Operate, Just A Few Seconds Of Your Time A Day Can Help Prevent Skin Ageing Product Information:Your Skin Will Thrive With Beautypro Hydratest. This Innovative, Pocket Sized Device Measures The SkinâS Hydration And Oil Levels, Helping You To Maximise The Impact Of Your Skincare Routine,Features:Battery Operated,Warning Or Restrictions:Follow Battery Care Guide Below. Keep Skin Testing Sensors Clean And Wipe After Every Use With A Clean, Dry Tissue. Do Not Use Alcohol Or Any Liquids To Clean Any Part Of This Device. Do Not Immerse The Device In Water. Do Not Use On Any Area Of The Skin Where There Is Bleeding, Wounds Or Broken Skin,Product Specification:Product Code: 840218,Product Uses:Press The Measure Button Once, Apply The Contact To The Skin Zone You Wish To Check And The Digital Read Out Will Display Oil And Hydration Level Within 3 To 5 Seconds. This Information Is Then Cross Referenced With A Guide Included With The Product. Lightweight And Easy To Operate, Just A Few Seconds Of Your Time A Day Can Help Prevent Skin Ageing