A Study Assessing KB304 for the Treatment of Wrinkles in Women

Inclusion Criteria: * Female in good general health, as determined by the Investigator, aged ≥18 and ≤75 at the time of consent. * Presence of moderate to severe dynamic wrinkles in the décolleté Target Area, as determined by the Investigator on the JDWS. * A Fitzpatrick skin phototype score of I-IV. * A negative urine pregnancy test at Screening and Day 1 (Visit 2) for subjects of child-bearing potential. * Signed and dated informed consent and willingness to attend all study visits and complete all procedures required by the protocol. Exclusion Criteria: * Any transient or chronic skin condition, disorder, or infection within 20 cm of the Target Area at Day 1 (Visit 2) that, in the opinion of the Investigator, may interfere with the interpretation of study results. * Scars, tattoos or tanned skin (defined as skin that is tanned from sun exposure, tanning beds, or an applied skin color such as a spray tan) within the Target Area at Day 1 (Visit 2). * History of laser treatment, microneedling, chemical peels within 3 months of Day 1 (Visit 2), or botulinum toxin within 6 months of Day 1 (Visit 2) to the Target Area. * History of surgical procedures to Target Area, including removal of benign or malignant skin cancers that, in the opinion of the Investigator, may interfere with the interpretation of study results. * Administration of a cosmetic and/or investigational agent, in the Target Area within 6 months of Day 1 (Visit 2), that, in the opinion of the Investigator, may …