Sealers, also known as cream-based leave-ins, are great for high-porosity hair after deep conditioning. “Because of the Jack Skellington do I look like a freakin_ people person tee shirt molecular structure of the cream-based leave-in, it adds an additional barrier to assist with moisture retention on the hair as well as flattening the cuticle scales even tighter,” Hill says. She recommends Design Essentials Moisturizing Leave-In and Phytodefrisant PhytoLisse Leave-In. Sweater vests—yes, sweater vests—are one of the best lightweight sweaters to invest in this fall. Wear solo on warmer days and over a T-shirt on chillier days to instantly take your casual look up a notch.