Koh Gen Do All In One Moisture Gel in Beauty: NA. Koh Gen Do All In One Moisture Gel in Beauty: NA. Koh Gen Do's All In One Moisture Gel provides the benefits of an essence, lotion, cream and treatment mask all in a single step. This lightweight hydrator absorbs quickly to heal, soften, and boost skin's natural moisture while protecting against environmental stressors, resulting in bright, beautiful skin.. Contains signature SPA Water, a nourishing blend of mineral water and six herbal extracts. T3 Oil replenishes skin with protective moisture. Cruelty-free and formulated without artificial colors, synthetic fragrances, mineral oil derived from petroleum, and parabens. 3.53 oz. To use as an overnight mask, apply twice, allowing the first layer to fully absorb before applying the second. Leave on overnight for continuous moisture while you sleep. KGEN-WU1. AMG-100. At the heart of Koh Gen Do is the belief that everything you apply on your skin should nurture its radiant vitality. Developed by Japanese actress Ai Saotome in the deeply rooted skincare traditions of her country, every Koh Gen Do formula nourishes and enhances the luminosity of your complexion. A favorite among professional makeup artists, Koh Gen Do products enrich the skin's natural healing abilities, leaving your complexion soft, firm, smooth and flourishing. Backed by cutting edge Japanese skincare technology and healing plant-based ingredients, their gentle formulations feed and repair skin for a fresh, dewy complexion that glows even after you take off your makeup.