The Needle-less Serum by DRMTLGY - VOID is a holy grail product, according to Hillary's video review. She raves about its effectiveness, claiming that she has nothing left after using it. The serum has a lightweight, water-like consistency that feels great on the skin. Hillary is so impressed with the results that she plans to repurchase it. Overall, the Needle-less Serum by DRMTLGY - VOID seems to be a must-have product for anyone looking for a powerful and hydrating serum. However, it's important to note that the review does not mention any potential drawbacks or specific benefits of the serum.