SkinCeuticals
Discoloration Defense Serum for Dark SpotsPaula's Choice
Discoloration Repair SerumA serum built around Niacinamide and Tranexamic acid, for barrier repair and hydration.
A serum built around Niacinamide and Tranexamic acid, for barrier repair and smoothing.
Brand price
USD 115.00 · checked 28 Sept 2026 · brand's site
Brand price
USD 59.00 · checked 8 Oct 2026 · brand's site

At a Glance

They come out differently on Fungal-acne-safe, Pore-clogger-free, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients


Benefits

Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycerin, Hydroxyethyl Urea, Propylene Glycol
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylyl Glycol, Glycerin, Niacinamide, Propylene Glycol
Redness Reducing3
Soothes visible redness and calms irritation.
Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Caprylic/Capric Triglyceride, Glycerin, Tocopherol
Barrier Repair15
Strengthens and restores the skin's natural barrier.
Allantoin, Bakuchiol, Behenyl Alcohol, Boerhavia Diffusa Root Extract, Caprylic/Capric Triglyceride, Caprylyl Glycol, Dicaprylyl Carbonate, Glycerin, Glyceryl Stearate, Glycine Soja Oil, Glycine Soja Sterols, Lecithin, Niacinamide, Silybum Marianum Seed Oil, Tocopherol
Redness Reducing3
Soothes visible redness and calms irritation.

Concerns

No concerns found
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Behenyl Alcohol, Ethyl Macadamiate, Glyceryl Stearate, Glycine Soja Oil, Hydrogenated Lecithin, Lecithin, Silybum Marianum Seed Oil
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Tranexamic Acid (in both products)
Skin Conditioning
- Tranexamic acid
- Brightening
- Dark Spots
- Even Tone
- Redness Reducing
Humectant
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Tranexamic Acid (in both products)
Skin Conditioning
- Tranexamic acid
- Brightening
- Dark Spots
- Even Tone
- Redness Reducing
Solvent
Emollient
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
1 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Possibly animal-derived
- May Worsen Seborrheic Dermatitis
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Tranexamic Acid
Astringent, Skin Conditioning
Tranexamic Acid is tranexamic acid.
Learn more about Tranexamic Acid →Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
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