Niacinamide 10% + Zinc 1% — Reddit Reviews

• Acne

  Some evidence

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

  On Reddit: At the first hint of a breakout, commenters say it can stop spots in their tracks. 40 mentions

  Both ingredients for acne

  Niacinamide · Some evidence

  • 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

  Studied at 4–10% · this product: 10%

  Zinc · Not proven yet

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

  4 studies tested it on its own. See all 16 studies→

  • The results were split, so there is no clear answer yet on whether zinc helps acne
  • Some studies found zinc helped acne when put on the skin
  • When used with clindamycin, zinc worked about as well as clindamycin alone
  • When added to erythromycin, zinc did not clear acne better than erythromycin alone

  Studied at 0.1–15% · this product: 1%

• Hyperpigmentation

  Some evidence

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

  On Reddit: For skate-fall leg scars, one user reports fading after months of twice-daily use. 27 mentions

  What the studies found

  • 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

  Studied at 2–10% · this product: 10%

• Anti-Aging

  Some evidence

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

  What the studies found

  Studied at 2–5% · this product: 10%

• 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→

  On Reddit: Mixed into light moisturizer, it shows up in routines aimed at rebuilding the barrier. 4 mentions

  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

  Studied at 4–5% · this product: 10%

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