title: Development and validation of a questionnaire to evaluate how a cosmetic product for oily skin is able to improve well-being in women.
abstract: BACKGROUND
  Skin diseases are known to negatively affect self-image and to have detrimental psychosocial effects. Oily skin is a cosmetic skin problem that women often describe as 'invalidating'.
  
  
  OBJECTIVE
  To develop and validate a questionnaire to assess the psychological and psychosocial effects of oily skin condition in women and the outcome of a targeted cosmetic skincare treatment.
  
  
  METHODS
  We developed and validated a concise 18-item questionnaire [oily skin self-image questionnaire (OSSIQ)] to assess perception, behavioural, and emotional consequences associated with oily skin condition. The questionnaire was then used to assess the effects of a skincare treatment for oily skin and compare them with sebum level measurements.
  
  
  RESULTS
  The 18-item questionnaire clearly distinguished the oily skin group from the control group. Responsiveness, reliability, and construct validity showed satisfactory performance. The questionnaire provided a relevant assessment of the psychological benefits associated with the skincare programme.
  
  
  CONCLUSIONS
  The OSSIQ is a valid tool that can be used to monitor the benefits of cosmetic skincare treatments.
authors: L'Oréal Recherche, Chevilly Larue, France. esegot@rd.loreal.com
authors: E
authors: E
authors: Segot-Chicq
authors: D
authors: D
authors: Compan-Zaouati
authors: P
authors: P
authors: Wolkenstein
authors: S
authors: S
authors: Consoli
authors: C
authors: C
authors: Rodary
authors: V
authors: V
authors: Delvigne
authors: V
authors: V
authors: Guillou
authors: F
authors: F
authors: Poli
mesh_terms: D000293:Adolescent; D000328:Adult; D001828:Body Image; D003358:Cosmetics; D005260:Female; D006801:Humans; D011788:Quality of Life; D015203:Reproducibility of Results; D012629:Sebum / Q000187:drug effects*; D017592:Skin Care; D018709:Statistics, Nonparametric; D011795:Surveys and Questionnaires
chemical_list: D003358:Cosmetics