Study Will Assess Skin Irritation and Sensitization for HP-1050 Patch

Inclusion Criteria: * Healthy non-pregnant, non-lactating females 18-35 years of age (inclusive0 and who are candidates for hormonal contraception; * Subjects who have previously used hormonal contraceptives without complications or naïve subjects for whom hormonal contraceptives are not contraindicated in the opinion of the Principal Investigator; * Subjects who are willing to stop using any current contraceptives for the duration of the study; Exclusion Criteria: * Subjects who are currently taking or have taken oral hormonal contraceptives within 30 days prior to the first patch application; * Subjects who are currently using any long-acting hormonal method of contraception or has used them within the past 3 months; * Subjects who have a contraindication for estrogen or norelgestromin, or subjects who have a history of sensitivity to estrogen or norelgestromin or any related derivatives;