What are the benefits of the menthol released into the skin by Nicomenthyl 20 together with niacin?

Menthol exerts an essential balsamic and soothing activity. The simultaneous, equi-molar and slow release of menthol into the skin prevents the niacin-flush effect that is usually observed with other nicotinate-based formulations, without however inhibiting its biochemical and vitaminic functionality.