Design house: Tatcha. Series: The Dewy Serum. Gender: Unisex. Category: Skin Care. SubType: Serums & Oils. Size: 1 oz. Barcode: 752830767881. Skin Type: Normal, Dry, Combination, and Oily.Skincare Concerns: Fine Lines and Wrinkles, Loss of Firmness and Elasticity, and Uneven Texture.Tatcha The Dewy Serum 1 oz Skin Care 752830767881.