💎 Serum
Paula's Choice C15 Super Booster
85
Paula's ChoiceB
✨Brightening
🐰Cruelty-Free👃Fragrance-Free💚Allergen-Free✅Paraben-Free🧪Alcohol-Free
Best-selling 15% vitamin C enhances skin's natural radiance to brighten, improve fine lines and boost glow. Shop at Paula's Choice.
View product ↗Description
Our best-selling 15% vitamin C brightens skin, improves the appearance of fine lines & wrinkles & boosts glow in 15 minutes for immediate results–without irritation. • 15% vitamin C visibly brightens skin • Ferulic acid & ergothioneine boost visible results • Gentle formula absorbs quickly for immediate results • Use alone or add to your non-SPF moisturizer or serum
Warnings
- •3 potential irritants in the formula — introduce gradually.
Ingredient Breakdown (8 INCI · 3 active)
- 0Aqua/Water
- 1Ascorbic AcidACTIVE
- 2Butylene Glycol
- 3Ethoxydiglycol
- 4Glycerin
- 5Pentylene Glycol
- 6TocopherolACTIVE
- 7Ferulic AcidACTIVE
Product Info
Type
Serum
Price
$52.00
Certifications
🐰 Cruelty-Free👃 Fragrance-Free💚 Allergen-Free✅ Paraben-Free🧪 Alcohol-Free
Score Breakdown
Efficacy
85
🧪Ingredient Quality42 / 45
- ✓8 supporting actives (Tier 2)
🎯Concentration Signal15 / 15
- ⚠No % concentrations on the label — strength inferred from INCI order
- ↑Disclose the % of each headline active
🏆Evidence Backing13.1 / 15
- ✓Average evidence 88/100 across 8 matched actives
- ✓7 actives with strong evidence (≥80/100)
🧬Formulation Sophistication10.5 / 12
- ✓Synergy: Vitamin C + E · Vitamin C + Ferulic Acid · Hyaluronic Acid + Glycerin
📋Functional Completeness4 / 8
- ✓Some category-appropriate actives present
- ↑Add the missing functional class for this product type
🛡️Base Formula Credit0 / 5
Safety
98
Starts at 100; each row below subtracts points up to its cap.
🔥Irritation Risk−4.5 / 18
- ⚠1 moderate-irritation ingredient: Ascorbic Acid
🌿Fragrance0 / 10
- ✓Fragrance-free
⚠️Allergens0 / 10
- ✓No EU 26 fragrance allergens detected
🚫Endocrine Concern0 / 15
- ✓No ingredients flagged for endocrine activity
💎Comedogenicity−2.8 / 7
- ⚠Moderate comedogenic potential (avg 2.0/5)
🔀Formulation Conflicts0 / 10
- ✓No antagonistic ingredient combinations
✨Clean-Formula & Transparency+5 / 8
- ✓Short-ingredient-list bonus: +3.0
- ✓Transparency bonus: +2.0 (clear INCI disclosure)
Overall Score85/100
Overall = 50% Efficacy + 50% Safety. No bonus pad — hitting 100 requires both dimensions to be near-perfect. How scoring works →