numbuzin - No.5+ Glutathione Vitamin Concentrated Serum - 30ml
tl;dr
Brightens skin using glutathione, but some may find it minimally effective.
Pros
- Effective brightening with glutathione
- Less irritation with tranexamic acid
- Hydrating with niacinamide and peptide
Cons
- Smells like rotten eggs when applied heavily
- Not very effective for those without pigmentation
"The No.5+ Vitamin Concentrated Serum aims to brighten skin, featuring glutathione and tranexamic acid."