The SOME BY MI Yuja Niacin 30 Days Brightening Starter Kit is a special 4-step set designed to target dullness, blemishes, and hyperpigmentation. Let’s explore what this kit includes: Yuja Niacin Brightening Toner (30ml): Contains 90% Yuja Extract to nourish and moisturize the skin. Revitalizes irritated skin with 12 kinds of Vitamins and Lotus Flower Extract. Yuja Niacin Blemish Care Serum (10ml): A dual-functional serum for whitening and anti-wrinkle effects. Brightens the skin with Glutathione and Arbutin. Yuja Niacin Brightening Moisture Gel Cream (30g): Made from 10 vitamins for dull-looking skin. Acts as a mild moisturizer for skin calming, melasma, and blemish care. Yuja Niacin Brightening Sleeping Mask (20g): Provides overnight hydration and brightening. Wake up to refreshed, glowing skin! How to use: 1. Use in the order of toner → serum → cream → sleeping mask. 2. Apply a proper amount of the toner, serum and cream on the face evenly. 3. Before going to sleep, apply a proper amount on the face evenly and leave it until next day morning. 4. Wash your face with lukewarm water on the next morning.