Russian volume lashes or lash lift

[MUA]

id like to go on a course for one of these but don't know which one is more popular?

Could you please tell me what you're most busy with and what's the most profitable xxx

 

[Bonkers]

Both are good, you need to be trained in semi permanent lashes to do Russian volume, the lash lift is also really popular, I use Flirties for both x