Excuse me, what's the difference between eyelash extension and eyelash seeding?

The principle and material of eyelash extension and eyelash seed are different. Usually eyelash extension is adhered to the eyelash surface by adhesive, mainly one-to-one grafting, and the grafting material is artificial fiber artificial eyelash, while eyelash seed is to transplant its own hair follicle to the eyelash part, similar to its own eyelash, natural, slender and thick.