Kobayashi Men's Keshimin Premium Emulsion 110ml This premium emulsion from Men's Keshimin is designed to fight blemishes and improve wrinkles. Contains two anti blemish ingredients, tranexamic acid and niacinamide. Niacinamide improves wrinkles. ■How to use After cleansing your face morning and evening, dispense an appropriate amount into the palm of your hand and smooth it over your face.