Timber Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, engages in the development and commercialization of treatments for orphan dermatologic diseases. The company's lead product candidates include TMB-001, a patented topical formulation of isotretinoin that has completed Phase 2b clinical trial for the treatment of moderate to severe subtypes of CI, a group of rare genetic keratinization disorders; and TMB-003, a proprietary formulation of Sitaxsentan, which is a selective endothelin-A receptor antagonist that is in preclinical development for the treatment of sclerotic skin diseases. It is also involved in the development of BPX-01, which is in Phase 3 topical minocycline for the treatment of inflammatory lesions of acne vulgaris; and BPX-04 that is a Phase 3 ready topical minocycline for the treatment of papulopustular rosacea. The company was founded in 2019 and is headquartered in Warren, New Jersey.