Crystal Retinal — Reddit Reviews

• Anti-Aging

  Strong evidence

  Retinol: 16 studies tested it on its own. See all 23 studies→

  On Reddit: Cautious starters can begin at level 1, then build up gradually to keep irritation down. 25 mentions

  What the studies found

  • Most studies found retinol helped with signs of aging, especially wrinkles, uneven tone, and sun damage
  • It often improved fine lines and wrinkles, including crow's-feet and forehead wrinkles
  • It also helped skin look brighter, smoother, and more even in tone
  • Some studies found it worked about as well as tretinoin for facial sun damage
  • The most common side effects were redness, irritation, scaling, stinging, and dryness

• Hyperpigmentation

  Some evidence

  Retinol: 6 studies tested it on its own. See all 12 studies→

  What the studies found

  • Most studies found retinol helped fade dark spots or patches
  • In melasma, a retinol peel faded dark patches about as well as a glycolic acid peel
  • The most common side effects were irritation, dryness, redness, scaling, stinging, itching, and burning

• Texture/Pores

  Not proven yet

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

  Retinol: 2 studies tested it on its own. See all 3 studies→

  On Reddit: For lingering CC, one user called it a “great gentle starter,” while another said it helped congestion. 4 mentions

  What the studies found

  • Both studies that tested it on its own found it helped with skin texture and pores
  • Studies found retinol made skin feel smoother and less rough
  • One study found it improved uneven skin tone along with rough texture
  • It worked about as well as tretinoin for these skin changes

• Acne

  Not proven yet

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

  Retinol: 1 study tested it on its own. See all 4 studies→

  On Reddit: Chin hormonal breakouts stay away for one user after adding retinal and double-cleansing. 3 mentions

  What the studies found

  • The one study that tested it on its own found it helped acne
  • A clinical trial found retinol 0.2% reduced inflammatory acne
  • The study looked at retinol used on its own, not with other ingredients

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