I found a Reddit post stating that Uriage Hyseac-k18 contains 18% glycolic acid but I can't find a source outside of Reddit. Can someone confirm that or point me where to look? :
3661434002120 UPC Hyseac K18 Uriage 40 ML
URIAGE HYSEAC K18 (AHA) 40 ml
Uriage Hyseac K18 40ml – Test Store
Uriage Hyseac K18 Tube 40 ml
URIAGE HYSEAC K18 - RJEŠENJE ZA MASNU KOŽU U BORBI PROTIV MITESERA I PROŠIRENIH PORA :)