Skin Truth: The thin, delicate skin of the neck and decollete is prone to loss of definition with age. To fight this loss of firmness, this area requires special care. Lancome Innovation: Inspired by the skin’s self-repair process, new Bio-Stimulating Technology delivers a dynamic impulse which spreads from the surface through all skin layers. Skin’s regeneration is re-launched. Neck and chin contours appear remarkably firmer, denser, more elastic.