Global Reporting Initiative+Suppliers with potential negative social impacts, GRI 414-2-b2 (formerly G4-SO10-b2)+L'Oreal+2015+Discussion

no specific number but "60% of supplier sites audited for the first time (initial audits) presented major instances of non-compliance. During follow-up audits, there were no longer any major non-compliances for 46% of the suppliers who were initially non-compliant." pg. 175