Key inspection points include:
• Eyelash Curl Consistency: Check whether the curl , length are consistent with the customized standards, ensuring no deformation, uneven cur.
• Adhesion Fastness Test: Conduct a pulling force test on the bonding part between eyelash fibers and the lash band to verify the adhesive strength, avoiding problems such as hair shedding and fiber loosening.
• Size & Specification Verification: Use precision measuring tools to check the length, width, and fiber diameter of semi-finished products, ensuring strict compliance with order size requirements.