Does Gelatin Harden Fingernails?

Does Gelatin Harden Fingernails? Does gelatin Harden fingernails? The one supplement that won’t work: Gelatin. Experts say eating or soaking in it won’t do a thing to increase nail strength — and a liquid soak may actually waterlog and eventually weaken nails. How do you use gelatin to harden nails? Unflavored Gelatin to Strengthen Your