Verified Beauty Data

Product record / Serums, Tranexamic Acid

Serum

Paula's ChoiceCLINICAL Discoloration Repair Serum

Serum · 30 mL · concentrations disclosed by brand

$55
retail price
3%
tranexamic
$1.83
per mL
Data source
Concentrations disclosed by brandPaula's Choice discloses 3% tranexamic acid, 5% niacinamide, and 0.5% bakuchiol directly in its own product marketing copy for this serum -- independently corroborated verbatim across two retailer mirrors of the brand's own product copy (Dermstore and Cloud10Beauty, both fetched 2026-07-30) plus a third source (SearchWellness). This corrects an earlier research pass that assumed no percentages were disclosed for this product; all three are, in fact, brand-disclosed. INCI order (niacinamide 2nd, tranexamic acid 4th, bakuchiol 16th of ~22) confirmed via INCIDecoder (fetched 2026-07-30). Size 1 fl oz / 30 mL and Amazon price $55.00 PA-API-verified 2026-07-30 (ASIN B092397B3V). No independently verifiable rating/review count could be confirmed this session -- omitted rather than guessed.
Paula's Choice CLINICAL Discoloration Repair Serum product image
Pictured: Amazon listing
Best for
Brightening & dark spots
How it feels
Lightweight, fast-absorbing serum
Value
$55 for 30 mL · $1.83/mL

01 / The key active

Tranexamic Acid at 3%

This product discloses 3% tranexamic acid — concentrations disclosed by brand.

Concentrations disclosed by brand.Paula's Choice discloses 3% tranexamic acid, 5% niacinamide, and 0.5% bakuchiol directly in its own product marketing copy for this serum -- independently corroborated verbatim across two retailer mirrors of the brand's own product copy (Dermstore and Cloud10Beauty, both fetched 2026-07-30) plus a third source (SearchWellness). This corrects an earlier research pass that assumed no percentages were disclosed for this product; all three are, in fact, brand-disclosed. INCI order (niacinamide 2nd, tranexamic acid 4th, bakuchiol 16th of ~22) confirmed via INCIDecoder (fetched 2026-07-30). Size 1 fl oz / 30 mL and Amazon price $55.00 PA-API-verified 2026-07-30 (ASIN B092397B3V). No independently verifiable rating/review count could be confirmed this session -- omitted rather than guessed.

02 / The full ingredient list

Every ingredient, in label order

Exactly as printed, each token matched to the EU CosIng register and flagged where a CIR safety assessment exists. Highlighted rows are the key actives.

#Ingredient, as printedCosIng functionsCIR
01Water
  • solvent
  • skin conditioning
02Niacinamide
  • smoothing
03Glycerin
  • humectant
  • skin conditioning - humectant
  • solvent
04Tranexamic Acid
  • astringent
  • skin conditioning
05C13-15 Alkane
  • solvent
  • skin conditioning - emollient
06Caprylic/Capric Triglyceride
  • skin conditioning - emollient
  • solvent
07Dicaprylyl Carbonate
  • skin conditioning - emollient
  • solvent
08Ethyl Macadamiate
  • skin conditioning - emollient
09Behenyl Alcohol
  • emulsion stabilising
  • viscosity controlling
10Glyceryl Stearate
  • emulsifying
  • skin conditioning - emollient
11Butylene Glycol
  • humectant
  • solvent
  • skin conditioning
12Silybum Marianum Seed Oil
  • antioxidant
  • skin conditioning - emollient
13Tocopherol
  • antioxidant
  • skin conditioning - miscellaneous
  • skin conditioning - occlusive
14Lactobacillus/Coconut Fruit Juice Ferment Filtrate
  • skin conditioning
  • antioxidant
15Lecithin
  • skin conditioning
  • emulsifying
16Bakuchiol
  • skin conditioning
  • antioxidant
17Xanthan Gum
  • binding
  • viscosity controlling
18Caprylyl Glycol
  • emollient
  • humectant
  • skin conditioning
19Hydrogenated Lecithin
  • skin conditioning
  • emulsifying
20Allantoin
  • skin protecting
  • soothing
21Glycine Soja (Soybean) Oil
  • antioxidant
  • skin conditioning - emollient
22Hexylene Glycol
  • solvent
  • viscosity controlling

22 ingredients as printed · 22 exact CosIng matches · source: concentrations disclosed by brand

03 / Where to buy

Where to buy CLINICAL Discoloration Repair Serum

Buy on Amazon $55Amazon price as of 2026-07-30.

Some links on this page earn us a commission. It never changes our analysis — the methodology is public.

05 / Questions

Frequently asked

What's in Paula's Choice CLINICAL Discoloration Repair Serum?
Paula's Choice CLINICAL Discoloration Repair Serum lists 22 ingredients. Key active: 3% Tranexamic Acid. Paula's Choice discloses 3% tranexamic acid, 5% niacinamide, and 0.5% bakuchiol directly in its own product marketing copy for this serum -- independently corroborated verbatim across two retailer mirrors of the brand's own product copy (Dermstore and Cloud10Beauty, both fetched 2026-07-30) plus a third source (SearchWellness). This corrects an earlier research pass that assumed no percentages were disclosed for this product; all three are, in fact, brand-disclosed. INCI order (niacinamide 2nd, tranexamic acid 4th, bakuchiol 16th of ~22) confirmed via INCIDecoder (fetched 2026-07-30). Size 1 fl oz / 30 mL and Amazon price $55.00 PA-API-verified 2026-07-30 (ASIN B092397B3V). No independently verifiable rating/review count could be confirmed this session -- omitted rather than guessed. The full ingredient list, matched to EU CosIng, is on this page.
Does Paula's Choice CLINICAL Discoloration Repair Serum work?
Paula's Choice CLINICAL Discoloration Repair Serum contains Tranexamic Acid. See the full ingredient breakdown and community verdict on this page.
How much Tranexamic Acid is in Paula's Choice CLINICAL Discoloration Repair Serum?
3% Tranexamic Acid. Paula's Choice discloses 3% tranexamic acid, 5% niacinamide, and 0.5% bakuchiol directly in its own product marketing copy for this serum -- independently corroborated verbatim across two retailer mirrors of the brand's own product copy (Dermstore and Cloud10Beauty, both fetched 2026-07-30) plus a third source (SearchWellness). This corrects an earlier research pass that assumed no percentages were disclosed for this product; all three are, in fact, brand-disclosed. INCI order (niacinamide 2nd, tranexamic acid 4th, bakuchiol 16th of ~22) confirmed via INCIDecoder (fetched 2026-07-30). Size 1 fl oz / 30 mL and Amazon price $55.00 PA-API-verified 2026-07-30 (ASIN B092397B3V). No independently verifiable rating/review count could be confirmed this session -- omitted rather than guessed.
Where can I buy Paula's Choice CLINICAL Discoloration Repair Serum?
$55.00 on Amazon (price recorded as of the date shown). Paula's Choice discloses 3% tranexamic acid, 5% niacinamide, and 0.5% bakuchiol directly in its own product marketing copy for this serum -- independently corroborated verbatim across two retailer mirrors of the brand's own product copy (Dermstore and Cloud10Beauty, both fetched 2026-07-30) plus a third source (SearchWellness). This corrects an earlier research pass that assumed no percentages were disclosed for this product; all three are, in fact, brand-disclosed. INCI order (niacinamide 2nd, tranexamic acid 4th, bakuchiol 16th of ~22) confirmed via INCIDecoder (fetched 2026-07-30). Size 1 fl oz / 30 mL and Amazon price $55.00 PA-API-verified 2026-07-30 (ASIN B092397B3V). No independently verifiable rating/review count could be confirmed this session -- omitted rather than guessed.