Tatcha The Serum Stick: Treatment and Touch Up Balm It's a serum . . . in a stick. Tatcha's The Serum Stick: Treatment and Touch Up Balm ($48) makes it easier than ever to target and touch up dry skin. You can sweep on this balm (rich in squalane, hyaluronic acid, and Japanese lemon balm) under makeup for a smooth canvas, or use it whenever you want to boost your natural glow on the go. Image Source: sephora.com The Serum Stick: Treatment and Touch Up Balm $48 from sephora.com Buy Now