Received a sample of Fountain of Hair with my purchase of Tela Smooth Operator blow out serum (months ago) and recently used it. Once was all it took to bring me back to Safe & Chic to order. These products are truly transformative. For reference: I have long, thick, naturally curly, color treated hair; but these products are lightweight (use carefully, line has a thinner consistency), and would work for any hair type, in varying applications. Love that this product says Pro-Age on the packaging. Yes! If we're lucky enough to live long, we & our scalps age. This vitality serum brings polish and clean excellence to hair. Blessed to have abundant hair at midlife & Tela makes my mane look like it was salon-finished; curly or blown-out with a round brush & styled, a deep drink of moisture and shine. Just ordered a Tela Balancing Shampoo to pair with the excellent Tela Curly Conditioner. Best haircare line ever tried; and I've tried most & been into clean beauty for decades. Thank you!