Qualifications improve your chances; they do not gate the job. Level 3 is the most recognised.
In-job progression role: salon-management quals framed as progression/upskilling, not entry.
Level 3 most recognisedOpen entry
Your route in
Employers typically expect around L2
1
Qualifications employers recognise (Level 3)
Any of these strengthens your application.
Trainee learns on the job to Level 2 hairdressing/beauty, then Level 3 senior stylist; supervisor is reached through experience (business/management quals optional). No dedicated NCS salon-manager profile exists.