Our patented bond repair nail treatment penetrates the nail to deliver deep and lasting repair for all common types of damage: brittle, weak, peeling, split and discolored nails.

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CREDIBLE SCIENCE. INCREDIBLE RESULTS.

ePhD™ founder Eric Pressly first discovered his talent for innovation while pursuing his Ph.D. in materials science, working on everything from developing life-saving pharmaceuticals to inventing the bond-building category in haircare. Now he has created ePhD™, the future of high-performance nail care. Powered by Pressly’s patented Biodiffusion™ Technology, ePhD™ Bond Repair Nail Treatment is the future of nail care.

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