Feeling unsure about whether to use hair oils, serums, or gummies for healthier hair? Oils and serums help smooth the scalp and reduce frizz, while hair gummies packed with biotin, zinc, and important vitamins work inside your body to make your hair follicles stronger. Using both together can really help with hair loss, lack of shine, and breakage. Find out the better way to take care of your hair — from the roots to the ends!