human hair 人发
synthetic hair 化纤发
hair extension 发帘子
hair replacement 多数是指发块
training head 教习发
human hair wigs 人发头套
synthetic wigs 化纤头套
hair extension tools 应该是指的接发工具
hair accessories 假发配件
clip-on hair extension 发夹发帘
straight clip-on hair extension直发发夹发帘
wavy clip-on hair extension 波纹发夹发帘
curly clip-on hair extension 卷发夹发帘
bulk hair 发把
hair closure piece 发块
hand tied/made weft 手编发帘
straight hand tied weft 直发手编发帘
wavy hand tied weft 波纹手编发帘
curly hand tied weft 卷发手编发帘
machine weft 机制发帘
straight machine weft 直发机制发帘
wavy machine weft 波纹机制发帘
body wave machine weft大波浪机制发帘=BW
deep wave 深度波浪
body wave 大波浪=BW
wig 假发
full lace wig 全花边假发
synthetic hair 合成头发
lace wig/lace front wig 花边假发
toupee 男子假发
从材质上分类：人发产品（human hair products）,化纤产品（synthetic hair products）
依据产品类型：
接发：hair extension
发帘：hair weaving/hair weft
发把：hair bulk
头套：wig
发块：toupee
工具：hair tools
配件：hair accessories
化工：hair chemical
档发：grade hair
生发：raw hair
教习头：practice head/training head
模特头：mannequine head
眼睫毛：eyelash
胡子：mustache
眉毛：eyebrow
三联机：three head machine