Paula's Choice C15 Super Booster Serum

Our most advanced pure vitamin C serum for instant and visible brightening. This clinically proven serum is powered by 15% L-ascorbic acid, the purest and most active form of vitamin C, to instantly brighten skin while visibly improving uneven tone, texture, fine lines, wrinkles, and loss of firmness.

• L-Ascorbic Acid (15% Vitamin C): vitamin C in its active form, ready to work as soon as it's absorbed by skin, making it the most efficient form of vitamin C.
• Ferulic Acid + Vitamin E: help stabilize vitamin C and increase skin's protection against the environmental stressors that trigger dark spots, discoloration, and premature aging.
• Ergothioneine + Peptides: boost efficacy for a firmer, smoother, more radiant complexion.

1. Apply up to twice daily, AM and PM, after cleansing and toning/exfoliating.
2. Smooth 2-3 drops over face and neck. Can be used alone as a serum or added to your moisturizer.
3. For daytime, always finish with sunscreen. For nighttime, follow with the rest of your routine.

• Fragrance-Free
• Alcohol-Free
• Cruelty-Free
• Non-irritating formula, suitable even for sensitive skin
• Optimal pH range of 3.10-3.50
• Size: 20mL
• Best for: all skin types; concerns: dullness, pigmentation, uneven skin tone, signs of aging

Rated 4.8 out of 5 stars based on 563+ verified customer reviews. *Clinically proven to improve visible signs of aging, based on an independent clinical study with 30 subjects after 4 weeks using expert grading. **Clinically proven to boost hydration, based on an independent clinical study with 31 subjects after 1 week using instrumental measurement.

Key Ingredients: Ascorbic Acid, Ferulic Acid, Tocopherol

Aqua/Water/Eau, Ascorbic Acid, Dipropylene Glycol, Propanediol, Glycerin, Ethoxydiglycol, Sodium Hydroxide, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Bisabolol, Ferulic Acid, Sodium Phytate, Decylene Glycol, Tocopherol, 1,2-Hexanediol, Sphingomonas Ferment Extract, Phenoxyethanol.