Tranexamic Acid 10% Serum — Reddit Reviews

• Hyperpigmentation

  Strong evidence

  Tranexamic Acid: 16 studies tested it on its own. See all 21 studies→

  On Reddit: After three weeks of daily use, one user reports their cheek sunspot is gone. 24 mentions

  Both ingredients for hyperpigmentation

  Tranexamic Acid · Strong evidence

  • Side effects on the skin were usually mild, such as burning or irritation

  Studied at 1–5% · this product: 10%

  Niacinamide · Some evidence

  5 studies tested it on its own. See all 20 studies→

  • All 5 studies that tested it on its own found it helped fade dark spots
  • On its own, it reduced facial darkening and made skin look lighter than a placebo
  • It also improved dark spots linked with sun damage in one clinical trial

• Acne

  Some evidence

  Niacinamide: 6 studies tested it on its own. See all 17 studies→

  What the studies found

  • Most studies found niacinamide helped acne
  • It often cleared acne about as well as clindamycin when put on the skin
  • Some studies found it helped reduce red, sore spots and pimples
  • Some evidence is still uncertain because some studies found no clear difference

• Anti-Aging

  Some evidence

  Niacinamide: 3 studies tested it on its own. See all 9 studies→

• Skin Barrier

  Not proven yet

  Few or mixed studies. This claim isn't established.

  Niacinamide: 1 study tested it on its own. See all 17 studies→

  What the studies found

  • The one study that tested it on its own found it helped the skin barrier
  • It lowered water loss through the skin
  • It increased the thickness of the outer skin layer

• Redness/Irritation

  Not proven yet

  Few or mixed studies. This claim isn't established.

  Centella/Cica: 1 study tested it on its own. See all 5 studies→

  On Reddit: Aloe-like slip feels soothing and sits well under SPF or makeup. 4 mentions

  What the studies found

  • It reduced redness more than a placebo after laser treatment for acne scars

Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.