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What Reddit actually recommends

20% Vitamin C + E Ferulic Acid Serum

DullnessSerum

20% Vitamin C + E Ferulic Acid Serum — Reddit Reviews

by Timeless

54recommendationsacross 30 Reddit threads

Updated July 5, 2026

What the community says

20% L-ascorbic acid serum with vitamin E and ferulic acid that the community often uses for brightening and anti-aging but warns can irritate sensitive or compromised skin and sometimes cause breakouts or redness.

From Reddit

Backed by 30 threads from r/SkincareAddiction, r/30PlusSkinCare and 6 more.

Read the threads ↓

What people love

  • High 20% vitamin C concentration combined with vitamin E and ferulic acid for antioxidant boost
  • Comes in an airless pump packaging to reduce oxidation and extend shelf life
  • Widely referenced as a cost-effective dupe for pricier vitamin C products like Skinceuticals

Watch out for

  • Reported frequent irritation and redness, especially on sensitive skin and eczema-prone users
  • Can trigger breakouts and itching for those with acne-prone or compromised skin barriers
  • Some users experience dryness or peeling, particularly when layered with other actives like tretinoin or azelaic acid

Product details

Where to buy

Real Reddit threads

30 threads from r/SkincareAddiction, r/30PlusSkinCare +6 more

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