Tatcha's the serum stick will keep your skin glowing on the go. It features a concentrated treatment balm with squalane that targets the look of fine lines, dryness, and texture. Its rich, balm-like texture glides on precisely to deliver moisture to dry spots, fine lines, or any other area in need of attention. Use it alone as part of a skincare routine, as a pre-makeup treatment, or to refresh your complexion throughout the day.