Do you feel like your nails never grow no matter what you do? You trim them once — and then wait forever. The good news is: with the right routine, you can encourage faster nail growth in just a few days. This method has been trending online because it’s simple, affordable, and uses things most people already have at home. Let’s break it down. Why Nails Grow Slowly Before jumping into the remedy, it helps to understand why nails grow slowly in the first place: Weak or brittle nail structure Lack of moisture Poor circulation in fingers Frequent exposure to water or chemicals Nutrient deficiencies When nails are dry and fragile, they break faster than they grow — making it feel like they never change. The 3-Day Nail Growth Hack Everyone Is Talking About This method focuses on strengthening and protecting the nail so growth becomes visible faster. What You’ll Need Toothpaste (preferably white, mint-based) Onion (red or purple works best) Cotton swab or small ...