AHA 7 Whitehead Power Liquid — Reddit Reviews

• Anti-Aging

  Strong evidence

  Glycolic Acid: 14 studies tested it on its own. See all 21 studies→

  Both ingredients for anti-aging

  Glycolic Acid · Strong evidence

  • Most studies found glycolic acid helped with signs of aging
  • It often improved fine lines, rough skin, and overall skin texture
  • Some studies found it helped fade dark spots and improve skin clarity
  • Results were less clear for some wrinkle changes, and one study found it worked less well than tretinoin
  • The most common side effects were stinging and burning

  Niacinamide · Some evidence

  2 studies tested it on its own. See all 8 studies→

  • Both studies that tested it on its own found it helped with signs of aging
  • It improved how firm and elastic the skin looked
  • It reduced wrinkles and uneven tone, including spots, redness, and yellowing
  • It helped the skin hold more water and reduced water loss through the skin

• Hyperpigmentation

  Some evidence

  Glycolic Acid: 15 studies tested it on its own. See all 23 studies→

  On Reddit: Bacne and dark spots clear up, though users warn it can sting like crazy. 3 mentions

  Both ingredients for hyperpigmentation

  Glycolic Acid · Some evidence

  • Most studies found glycolic acid helped fade dark spots or patches
  • It often worked better when added to another treatment than when that treatment was used alone
  • It usually worked about as well as several other peel treatments for melasma
  • Some studies found other treatments worked better, or that the fading did not last
  • The most common side effects were irritation, discomfort, stinging and burning

  Niacinamide · Some evidence

  4 studies tested it on its own. See all 17 studies→

  • All 4 studies that tested it on its own found it helped fade dark spots
  • It reduced facial dark spots better than a moisturizer without niacinamide
  • Some studies found skin looked lighter as dark spots faded
  • When used with salicylic acid, it improved dark patches more than salicylic acid alone

• Acne

  Some evidence

  Glycolic Acid: 13 studies tested it on its own. See all 22 studies→

  On Reddit: Spot-treat forming red bumps at night, and many disappear by morning before becoming whiteheads. 21 mentions

  Both ingredients for acne

  Glycolic Acid · Some evidence

  • Most of these studies found it helped clear acne
  • It often reduced blackheads and whiteheads, and some studies also found fewer red, sore spots
  • It cleared acne more than a placebo in some studies
  • It worked about as well as some other acne peels and creams in several studies
  • The most common side effects were peeling and other early skin irritation

  Niacinamide · Some evidence

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

  • 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

• Texture/Pores

  Some evidence

  Glycolic Acid: 3 studies tested it on its own. See all 6 studies→

  On Reddit: Catch forming whiteheads early, and they’re often gone by the next day. 19 mentions

  What the studies found

  • Most studies found glycolic acid helped with skin texture and pores
  • It improved skin texture and roughness in some studies
  • It also helped fine lines in some studies
  • One study found no clear improvement in roughness
  • The most common side effects were stinging and burning

• 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

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