What year did the development of the blend method occur?

The blend method, an important technique in electrolysis, specifically relates to the integration of different modalities for hair removal. This method combines both galvanic and thermolysis techniques, subsequently increasing the efficacy and comfort of hair removal treatments for clients.

The year 1875 is particularly significant in this context as it corresponds with the period when foundational techniques and methodologies in electrolysis were being developed and explored. The advancements at that time laid the groundwork for later innovations, including the blend method. The historical context surrounding the year emphasizes the evolution of electrolysis practices and the importance of combining various techniques to improve results.

While other years mentioned in the options may be associated with different developments in electrolysis or related fields, it is the year 1875 that marks the initial intersection of practices that would lead to the eventual creation of the blend method. Understanding this timeline helps give insight into how techniques in hair removal have evolved and been influenced by earlier theories and practices.