The aim of the study is to evaluate the tolerance of the Shampoo (WO 5101) on the scalp by a dermatologist and by the subjects themselves after four weeks of regular product use.

Additional objective of this clinical in-use study was to evaluate the cosmetic features and the acceptance of the product by means of a questionnaire at the end of the 4-week treatment period.

Inclusion Criteria:

• age: ≥ 18 years
• with chronically itchy scalp
• normal to dry scalp or scalp prone to neurodermatitis

Exclusion Criteria:

• any deviation from the above-mentioned criteria
• users of sour hair conditioner
• 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 two weeks prior to starting of the study
• systemic medication with retinoids, antihistamines and/or immunomodulators (e.g. cortisone, corticosterone, chemotherapeutic agents) within four weeks prior to starting of the study
• severe internistic disease that leads to pruritus