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TXA Niacinamide 15 Serum

TXA Niacinamide 15 Serum — Reddit Reviews

Medicube·Serum4 recommendations

Updated June 17, 2026

What the community says

From Reddit

Backed by 4 threads from r/tretinoin, r/SkincareAddiction and 1 more.

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Pros

  • Contains potent 15% niacinamide paired with tranexamic acid for targeted hyperpigmentation care
  • Gentle enough for some sensitive skin users, with reports of gradual improvement over 6-8 weeks
  • Widely used in K-beauty routines as a morning serum to brighten and even skin tone

Cons

  • Can trigger redness, itching, or sore pimples especially on rosacea-prone or sensitive skin
  • May cause breakouts due to niacinamide or included BHA, so ingredient vigilance is required
  • Reported irritation with layering under makeup or alongside vitamin C, leading some to stop use

Product details

Skin type data limited

Commonly Used With

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Where to buy

Real Reddit threads

4 threads from r/tretinoin, r/SkincareAddiction +1 more

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