FAQ

Find out more about the Glas File

Use the glass file weekly to shape and smooth nails in one direction only. Follow immediately with the Nail Matrix Pen, applying to clean nail beds and cuticles. The file prevents breakage while the pen strengthens from within – together they help you finally keep the length you grow.

Unlike rough emery boards that tear through your nail, our tempered glass file cuts cleanly without microscopic damage. It's completely sterilizable, maintains precision for years, and won't harbor bacteria like disposable files.

Remove the cap and hold the pen with the brush tip facing down. Twist the other end until the serum appears (first use may take 10–20 twists; after that, 1–5 twists are enough). Apply a small amount to clean, dry nails and gently massage into nail plates and cuticles. Use once or twice daily, ideally in the evening and or morning after showering.

Everyone’s nails grow at a slightly different pace, but most people feel a difference in strength and hydration within the first 2 weeks but the most drastic results come from continuous use throughout the entire nail growth cycle.

We ship all orders within 24 hours. Delivery takes 5 to 10 working days depending on your location, you’ll receive a tracking link as soon as it’s on the way.

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