Oveallgo FINAS Prestige Hair-Regrowth Ampoules represent a breakthrough in hair loss treatment. Our product is infused with potent ingredients that nourish the scalp and hair follicles, fostering healthier, denser, and more voluminous hair. At Liascy, we believe that the packaging of our products is just as important as the formula within. That's why we've chosen to house our FINAS Hair-Regrowth Ampoules in glass ampoules. According to a study conducted in July 2022 by a reputable University of Birmigham the use of Oveallgo FINAS Prestige Hair-Regrowth Ampoules for a period of 8 weeks has been scientifically proven to effectively improve scalp health and stimulate hair growth. This research provides compelling evidence of the product's efficacy, further solidifying its position as a trusted solution for hair loss. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.