Aclaris Therapeutics, Inc. is a clinical-stage specialty pharmaceutical company. The Company is focused on identifying, developing and commercializing differentiated drugs for the treatment of dermatological indications. The Company's lead drug candidate, A-101 Topical Solution, is a high-concentration hydrogen peroxide topical solution that the Company is developing as a prescription treatment for seborrheic keratosis (SK), a non-malignant skin tumor. The Company has completed over three Phase II clinical trials of A-101 in over 300 patients with SK. The Company has initiated a Phase II clinical trial of A-101 for the treatment of common warts. In addition to A-101, the Company is also developing A-102, a topical gel dosage form of hydrogen peroxide, for the treatment of both SK and common warts. It has in-licensed the rights to inhibitors of the Janus kinase (JAK) family of enzymes, for specified dermatological conditions.