Paula's Choice
C15 Brightening Super BoosterSkinCeuticals
Daytime Vitamin C Serum for Sensitive SkinA serum built around Vitamin C and Vitamin C, for hydration and pollution defence.
A serum built around Vitamin C and Vitamin C, for pollution defence and hydration.
Brand price
USD 59.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 85.00 · checked 28 Sept 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

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

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