Made In Korea SINSTHROUGH Stairy Niacin 15 Correcting Tone-Up Serum

The SINSTHROUGH Stairy Niacin 15 Correcting Serum is a high-potency brightening formula containing 15% niacinamide, designed to visibly improve dark spots, uneven tone, and dullness. Blended with soothing botanical ingredients and hydrating agents, this serum helps refine texture, calm sensitivity, and boost radiance. Its lightweight, fast-absorbing texture layers easily under other skincare, making it ideal for daily AM/PM brightening routines.

Key Features High-strength 15% niacinamide for intensive tone correction

Helps improve dark spots, acne marks, and uneven pigmentation

Supports smoother, brighter, more refined skin

Lightweight, non-sticky serum suitable for layering

Enhances radiance and reduces visible dullness

Suitable for normal, oily, combination, and dull skin types

Ideal for daily AM/PM usage (with sunscreen during the day)

Volume / Size (Please confirm from Musinsa — typically 30ml. Tell me the exact size and I will update instantly.)

How to Use After cleansing and toner, apply 2–3 drops evenly across the face. Massage gently until absorbed. Follow with moisturizer. Apply sunscreen during daytime use.

Ingredients Niacinamide 15%, Glycerin, Butylene Glycol, Betaine, Panthenol, Hyaluronic Acid, Allantoin, Centella Asiatica Extract, 1,2-Hexanediol, Purified Water, and botanical brightening agents.