Sienna Labs is developing novel approaches to treat skin based on the science of plasmonic resonance. The companyâs innovative approach called Targeted Plasmonic Therapy (TPT) uses the current existing base of energy devices in combination with their proprietary plasmonic nanoparticles to target select microstructures in the skin, enabling a broad portfolio of indications. The first two anticipated indications for the TPT platform will be the safe and effective removal of light-pigmented hair (gray, red, blonde, white) and treatment of acne