Key Takeaways A Japanese lash lift is a root-lifting technique that creates natural, precise eye-opening results by lifting lashes from the base rather than creating dramatic curls The treatment uses gentler cysteamine formulations and keratin-infused systems compared to traditional thioglycolate solutions, though debate exists about their effectiveness Results typically last 6-8 weeks following your natural lash growth cycle, with costs ranging from £30-£95 in the UK dependi