1. leave on hair conditioner, rinse off hair conditioner. 2, ISO9001,GMPC,FDA certified factory with 21 years history. ... OEM We have many hair care products, with different function and kinds, the below chart is the main introduction. product ... jarThey contains herbal and collagen, moroccan argan oil, vitamin B5, can make hair healthy and shiny.Pictures are for reference: Leave in hair conditioner