Made with apple cider vinegar—which has antibacterial and anti-fungal properties—this Daily Scalp Serum from dpHUE aims to remove buildup, as well as clarify, calm and nourish irritated or oily scalps to promote healthier hair. Especially useful in the dry, colder months, the formula contains various other ingredients including peptides and red clover extract to reduce shedding; aloe vera, lavender and fire tulip to soothe; and more.