Development of the Hair & Scalp CARE questionnaire: Measuring the impact of hair and scalp issues on psychological wellbeing in healthy populations

The Hair & Scalp CARE questionnaire is a valid tool for the assessment of the impact of hair and scalp condition on psychological wellbeing. The present data also suggest a relationship between hair and scalp wellbeing and other psychological wellbeing indicators, as healthier hair and scalp was also linked to lower levels of perceived stress and good sleep health. Hair & Scalp CARE could be used within a variety of further research designs to demonstrate the positive impact of cosmetic haircare products on wellbeing.