In one study, we measured a significant reduction in stress while using certain cosmetics. These findings might be of interest to you if you also manufacture olfactory active ingredients or would like to use them in your products to produce a reinvigorating, refreshing, calming or relaxing effect. You can read the full peer-reviewed article titled: "Measurement of Stress Relief during Scented Cosmetic Product Application Using a Mood Questionnaire, Stress Hormone Levels and Brain Activation" here.
more info