The Hydrogen Selective Emitter (HSE) is a self-aligned selective emitter designed for n-type silicon solar cells. In previous work the samples were processed by employing the Quinhydrone-methanol passivation applied to hydrogenated boron emitters and the photoconductance lifetime measurements were used to extract the emitter saturation current (Joe). Prior evidence indicated that the conditions for hydrogenation could have an impact on the overall stability of the sample. In the present study we explore various conditions like: temperature, pressure, gas flow, etc. in order to understand the stability limitation of the samples where the hydrogenation process is applied as final step.