SkinCeuticals
Daytime Vitamin C Serum for Sensitive SkinPaula's Choice
C15 Brightening Super BoosterA serum built around Vitamin C and Vitamin C, for pollution defence and hydration.
A serum built around Vitamin C and Vitamin C, for hydration and pollution defence.
Brand price
USD 85.00 · 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 and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

Hydrating4
Boosts hydration and relieves dry, tight skin.

Concerns

No concerns found
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
PEG-40 Hydrogenated Castor Oil, Sphingomonas Ferment Extract

Ingredients Side-by-side

Ascorbic Acid (in both products)
Antioxidant
- Vitamin C
- Vitamin C (L-ascorbic acid)
- Anti-Aging
- Anti-Pollution
- Antioxidant
- Brightening
- Dark Spots
- Even Tone
Perfuming
Ascorbic Acid (in both products)
Antioxidant
- Vitamin C
- Vitamin C (L-ascorbic acid)
- Anti-Aging
- Anti-Pollution
- Antioxidant
- Brightening
- Dark Spots
- Even Tone
Skin Conditioning
PEG-40 Hydrogenated Castor Oil
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- 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.
Aqua
Solvent
Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Ascorbic Acid
Antioxidant, Buffering, Fragrance, Skin Conditioning
Ascorbic Acid is L-ascorbic acid.
Learn more about Ascorbic Acid →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 →Ferulic Acid
Antimicrobial, Antioxidant
Ferulic Acid is ferulic acid.
Learn more about Ferulic Acid →
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