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L-Ascorbic Acid

Rating: Best
Benefits: Anti-Aging/Longevity, Dark Spot Fading, Evens Skin Tone
Categories: Antioxidant, pH Adjuster/Stabilizer

L-Ascorbic Acid at a Glance

  • Potent antioxidant and form of vitamin C
  • Can improve the appearance of signs of aging
  • Promotes skin longevity
  • Improves uneven tone
  • AKA ascorbic acid

L-Ascorbic Acid Description

Form of vitamin C that is a potent antioxidant and skin-soothing agent. Abundant research demonstrates that l-ascorbic acid improves the appearance of multiple signs of aging, including fine lines, wrinkles, skin thinning and skin laxity. This form of vitamin C promotes skin longevity and helps protect skin’s collagen. In addition, it helps brighten an uneven skin tone. L-ascorbic acid is often labelled as the INCI compliant “ascorbic acid” on ingredient lists, but there is no difference between the two - they refer to the same ingredient.
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L-Ascorbic Acid References

Journal of Investigative Dermatology, April 2025, pages 1-14
Indian Dermatology Online Journal, 2013, issue 2, pages 143-146
Dermatological Surgery, 2005, issue 7 part 2, pages 814-818
Dermatological Surgery, 2001, issue 2, pages 137-142