Femilube is a class 2a medical device, which means it is certified by European authorities for safe internal contact with your body for more than 1 hour.
Toxicity
Look for toxicity statements on the packaging. A non-toxic statement on the pack means that the product has undergone clinical tests or tests in the market that prove it does not contain any toxic ingredients.
Femilube formulation has been safely used by consumers as well as healthcare professionals for 20 years, without any safety incidents reported throughout this time.
Efficacy
The purpose of this lubricant is to moisturise without causing additional distress by providing too much gel which can be wasted. Try it for yourself.