Inclusion Criteria:

Healthy male or non-pregnant female aged ≥18 years
All male subjects had to agree to use accepted methods of birth control with their partners, from the day of the first application of the study drug to 30 days after the last application of the study drug
Willing and able to understand and comply with the requirements of the protocol, including attendance at the required study visits
A clinical diagnosis of stable (at least 6 months) scalp psoriasis involving at least 10% of the scalp

Exclusion Criteria:

Female subjects who were pregnant, nursing, or planning to become pregnant during study participation
Known hypersensitivity to calcipotriene, betamethasone dipropionate, other corticosteroids, or to any ingredients in the study drugs
Current diagnosis of unstable forms of psoriasis including guttate, erythrodermic, exfoliative, or pustular psoriasis