Brown macroalgae are rich sources of polyphenols with diverse pharmacological activities relevant to formulation of novel cosmetic products. This study evaluated the antioxidant, tyrosinase inhibition, and antibacterial properties of a brown macroalga, Turbinaria ornate (Turner) J. Agardh. The current study is the first report in the Philippines exploring the biological properties of T. ornate as potential alternative source of skin lightening active ingredient important for cosmetic application.