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Dr Dana Precision Glass Nail File


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Regular use of our Precision Glass Nail File strengthens and seals the nail’s keratin layer, to make nails more resistant to splitting, peeling, and breakage.

Designed for natural nails: Many nail files, including crystal, glass and traditional emery boards, are too abrasive for natural nails and can cause microscopic tears at the tip of the nail that lead to breakage, damage, and premature polish chipping. Natural nails—especially if they are delicate, damaged or fragile—require a completely different technology.

In the above image taken with a scanning electron microscope, you can observe the clear difference between a nail filed with a traditional emery board file and one filed with our Precision Glass Nail File. The nail filed with the Dr. Dana file is smooth, even, and free of damage. Our Nail File features a high-performing precision technology grit to gently shape and contour natural nails for a smooth edge. Even weak or brittle nails can be filed in any direction with no harm to the nail.

Nail strengthener: Regular use of our Precision Glass Nail File will strengthen the nail and result in LESS splitting, peeling, and breakage.

Longer-lasting manicure: Our glass file creates a smooth nail edge, which will minimize snags and allow nail polish to adhere better, last longer, and chip less.

Long-lasting and sanitary: The file’s nonporous, double-sided design never dulls and is naturally hygienic.

Travel-friendly: This glass file includes a protective carrying case for easy transport and storage.

Developed by a board-certified dermatologist: Dr. Dana Stern is the only dermatologist in the country who devotes her entire practice to nails—including diagnosis, treatment and surgery—and is a leading nail expert in the media. She is also the first dermatologist to develop a nail renewal system to improve the health of nails.

 Directions: File dry, natural nails to desired length. After use, clean with water and allow to air dry.

Click Here to get your custom nail consultation with Dr. Dana.

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Customer Reviews

Based on 24 reviews
Donna Willadsen
Love Your products

I really love your product. My nails look healthy and shiny without polish. The glass nail file really works. I purchased a third kit that came with a free gift. I never received the gift so I can't comment on it. My disappointment is with your customer service department, they never returned my emails.

Glenda Mitchell -Noel
Nail File

It's a wonderful file it works well

Vicky Olson-hensen

Love it! Perfect!

Customer Service FAIL

My order was incomplete and nobody will return my emails or calls. I'm very disappointed.

MaryAnn DeGroot

I don't think you can find a better nail file than Dr. Dana Precicion Glass File. It is smooth and glides across your nail when you use it. Highly Recommend.