Paula's Choice BOOST C15 Vitamin C Serum, 15% L-Ascorbic Acid with Vitamin E & Ferulic Acid

Paula's Choice BOOST C15 is a 15% L-ascorbic acid vitamin C serum formulated with vitamin E, ferulic acid, and ergothioneine—a potent antioxidant trio designed to brighten, even tone, and defend against oxidative stress. The formula claims visible brightening in 15 minutes and is fragrance-free, making it suitable for all skin types including sensitive skin.

Key features:

• 15% pure L-ascorbic acid (high-efficacy concentration)
• Ferulic acid + vitamin E for synergistic antioxidant protection
• Ergothioneine (advanced free-radical defense)
• Fragrance-free, low irritation
• 0.67 oz bottle

Who it's for: Consumers seeking clinical-strength brightening with a track record in dermatology circles. Paula's Choice commands strong reputation in skincare communities for formulation rigor. The product sits at mid-to-premium pricing but justifies it with proven actives and brand trust. Best for those prioritizing formula integrity over bargain-bin value.