Test methods for assessing irritation of portions of skin are provided. The method may include irritating a portion of skin by contacting the portion of skin with a chemical irritant; irritating the portion of skin by physical irritation; and assessing erythema or dryness of the portion of skin after irritating the steps. Alternatively, the method may include irritating a portion of skin with a chemical irritant; irritating the portion of skin by physical irritation; treating the irritated portion of skin by wiping the irritated portion of skin with a test sample; and assessing erythema or dryness of the portion of skin after the wiping step. A method of irritating a portion of skin to assess one of erythema and dryness may include irritating a portion of skin with a chemical irritant and irritating the portion of skin by physical irritation.