Background
About 444 Numbing Serum
444 Numbing Serum is a clinical-grade topical anesthetic engineered for pain relief. Built around a 4% lidocaine active, the serum delivers fast, reliable numbing — reaching onset in roughly 90 seconds and maximum efficacy within five minutes — while keeping swelling and redness to a minimum.
It was developed with one goal in mind: to make everyday life better and more pain-free. From the airtight, leak-proof packaging to the precision applicator tip, every detail is designed for consistent, dependable comfort whenever it's needed.
