In-Use Test With a Cosmetic Product

In-Use Test With a Cosmetic Product (WO 4260) for Topical Use on the Scalp

The aim of the study is to evaluate the tolerance of the product WO 4260 by a dermatologist. Additional objectives of this clinical in-use study are to evaluate the cosmetic features and acceptance of the product by means of a questionnaire in an interview situation and by skin hydration measurements on the scalp.

Inclusion Criteria:

• age: ≥ 18 years
• sex: approx. 50% male and approx. 50% female
• users of hair tonic for dry scalp
• dry, itchy scalp prone to atopic eczema / atopic dermatitis

Exclusion Criteria:

• any deviation from the above-mentioned criteria
• users of sour hair rinse
• subjects who wash their hair more than once a day
• other dermatological disorders (scars, moles) on the scalp
• known incompatibilities to cosmetics and ingredients of cosmetic test products (please see INCI)
• topical medication in the test area within 1 month prior to study start
• systemic medication with anti-inflammatory agents and antibiotics within 2 weeks prior to starting of the study
• systemic medication with retinoids, antihistamines and/or immunomodulators (e.g. cortisone, corticosterone, chemotherapeutic agents) within 4 weeks prior to starting of the study
• systemic illness of the subject at the beginning of the study
• pregnancy and period of breastfeeding