Skin and permeability Irritation and essential oils Skin sensitization and allergy How to minimize risk What to do in case of adverse reaction You will be able to Distinguish irritation and allergy Identify safe dilutions for specific oils and uses Explain procedure in case of irritation or allergy

Aging in the skin
 Oxidative stress
 Photoaging
 Sun protection You will be able to: - 
List three aromatic oils that inhibit elastase - 
List three factors involved in photoaging
 - Discuss the relevance of essential oils in sun protection products