[header] How to strengthen weak fingernails naturally [title] Bypass buffing. [step] Buffing is used to even out ridged fingernails. What most women don't know is that ridges in nails are a healthy part of the finger. 
The thickest part of the nails are the healthiest parts, and the dips are actually deficits in thickness. Therefore, when you buff your nails off, you're buffing down the stronger, healthier portion of the nail.