KNESKO’s skin-care products incorporate gemstones and reiki energy — here’s what they’re like. KNESKO’s offerings — which have earned approval from celebrity fans like Ashley Graham and Kate Upton — are all charged with reiki energy by founder and reiki master Lejla Cas. I wanted to see for myself, so I tried out the rose quartz kit, which is meant to activate the heart chakra, sparking self-love.