Beauty lamps and ultraviolet therapy devices of the 1920s–1930s were among the earliest attempts to merge cosmetic enhancement with scientific illumination. As electricity became a household standard, inventors and beauty operators began experimenting with light as a tool for complexion improvement, makeup precision, and therapeutic treatment. These lamps were marketed as modern marvels — capableContinue reading “Beauty Lamps & UV Therapy (The First Light‑Based Beauty Technology)”
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