Cosrx The Niacinamide 15 Serum 20ml

COSRX The Niacinamide 15 Serum is a lightweight, fast-absorbing serum with a silky finish designed for oily, combination, and blemish-prone skin.

Best used in both AM & PM routines after cleansing and toning. Apply before your moisturizer and ensure SPF protection during daytime use. Works harmoniously with hydrating ingredients like peptide essences.

Formulated with niacinamide 15%, the hero active that regulates sebum production and minimizes pore appearance. Zinc PCA 1% reduces excess oil & speeds skin healing. Acetyl Glucosamine (NAG) 2% gently exfoliates & fades post-acne hyperpigmentation. Allantoin 0.1% soothes irritation while promoting collagen production. Supporting hydrators include pentylene glycol, butylene glycol, & trehalose.

• Clinically proven to reduce sebum production by up to 50% in four weeks & decrease pore appearance by 45%
• Targets acne, inflammation, & post-breakout scarring with visible improvements in skin clarity within four weeks
• Improves uneven skin tone & hyperpigmentation with 19% improvement in pigmentation & 15% reduction in blemishes
• Strengthens the skin barrier without irritation, leaving skin soothed, radiant, & smooth

How to Use: After cleansing and toning, apply 3 to 4 drops using the dropper onto clean skin. Gently massage with your fingertips from the center of the face outward, allowing the serum to absorb. Follow with your moisturizer. During daytime, always apply a broad-spectrum SPF 30 or higher to protect skin. Can be used morning and evening, though avoid combining with AHAs, BHAs, vitamin C, or retinol on the same day.