• DARKNESS is a well-known South Korean beauty tool brand, with core advantages of "high cost-effectiveness, practicality and durability". This regular nail file is a popular product in its basic tool category, focusing on "gentle filing + daily adaptation + durability and portability", and is an essential tool for daily nail care.

1. Gentle and durable material: Adopting a "double-sided sandpaper + plastic handle" design, the sandpaper uses a moderate grit (usually 180/240 grit; the first number represents the coarse sand surface for shaping nails, and the second number represents the fine sand surface for smoothing). It can efficiently shape nails while avoiding damage to the nail surface due to over-filing; the sandpaper has strong adhesion, is not easy to shed sand after long-term use, and has high durability.
2. Ergonomic design: The handle is made of lightweight plastic, with a moderate length (about 10-12cm), providing a comfortable grip and even force application, and is not easy to slip during filing; the tool is overall lightweight and compact, which can be easily put into a makeup bag or pocket, convenient for carrying outside (such as emergency nail care during travel or business trips).
3. Strong daily adaptability: As a regular version, it is suitable for most nail types (can be lightly filed on natural nails and gel nails), and can be used for edge filing after nail trimming, nail shape adjustment (such as square nails, round nails, oval nails), and also for removing residual gel polish on the nail surface (light filing), meeting diverse daily needs with outstanding cost-effectiveness.

• Made in :Korea

Sandpaper layer (core functional layer): Silicon carbide abrasive (high hardness and wear resistance, a common abrasive for nail files, which can efficiently file nails and is not easy to shed sand), attached to a paper or polyester film base (providing support to ensure the sandpaper is not easy to break);
Handle layer: PP (polypropylene) plastic (lightweight, drop-resistant, easy to process, comfortable to hold, and not easy to deform after long-term use);
Adhesive: Environmentally friendly resin adhesive (used to bond the sandpaper layer and handle layer, with strong adhesion, no irritating odor, and meeting the safety standards of beauty tools).
(Note: The specific material details may vary slightly depending on the product batch, please refer to the actual product; all materials have passed skin contact safety tests, no harmful substances are released, and they can be used with confidence.)

1. Preparation before use: First soak the nails in warm water for 1-2 minutes (to soften the nails, make filing smoother, and reduce the risk of nail cracking), then trim the nails to the desired length with nail clippers (leave 1-2mm of edges for filing);
2. Distinguish sand surfaces: Identify the coarse sand surface (small grit number, e.g., 180 grit, with coarse surface particles) and fine sand surface (large grit number, e.g., 240 grit, with fine surface particles) of the nail file. The coarse sand surface is for shaping nails, and the fine sand surface is for smoothing;
3. Filing technique:
Nail shaping: Use the coarse sand surface to gently file from "both sides to the middle" of the nail edge (avoid one-way horizontal filing to prevent nail delamination), and adjust to square, round or oval nails as needed;
Edge smoothing: Switch to the fine sand surface, gently file along the nail edge 1-2 times to remove the lines left by the coarse sand surface and make the edge feel smooth;
Filing force: Use gentle and even force, and file each area no more than 3 times to avoid over-filing which may make nails thin and brittle;
Cleaning after use: Wipe the nail debris on the surface of the nail file with a dry cloth or tissue, and store it in a dry place (avoid damp environments which may cause the sandpaper to get damp and shed sand). It can be reused until the sandpaper particles are significantly worn.