Best Serum for Your Skin Type – ROI’s Niacinamide & Vitamin C Guide
Oily, dry, or sensitive? Learn how to pick the perfect serum for your skin with ROI's expert guide to niacinamide and...
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Your 24/7 Glass Skin Routine is Here.
Unlock the secret to a flawless, even-toned complexion with our high-performance serum duo. We’ve taken the guesswork out of layering active ingredients by pairing the ultimate morning protector with the perfect nighttime healer.
☀️ The AM Ritual: Vitamin C Serum
Start your day by instantly boosting your skin’s natural radiance. Our lightweight Vitamin C acts as a powerful antioxidant shield against pollution and UV damage.
🌙 The PM Ritual: Niacinamide Serum
While you sleep, your skin enters repair mode. Niacinamide works deep within the pores to calm inflammation, regulate oil production, and smooth uneven texture.
Why You Need the Combo:
Achieving the coveted glass skin look requires both protection and repair. By using Vitamin C in the morning and Niacinamide at night, you accelerate your results without irritating your skin.
How to Use:
Morning: Apply 2-3 drops of Vitamin C to a clean, dry face. Gently pat until absorbed, then follow with moisturizer and sunscreen.
Night: Apply 2-3 drops of Niacinamide to a clean face. Massage into the skin and seal it in with your favorite night cream.
VITAMIN C FACE SERUM
NIACINAMIDE FACE SERUM
KEY INGREDIENTS
Oily, dry, or sensitive? Learn how to pick the perfect serum for your skin with ROI's expert guide to niacinamide and...
Discover 5 common skincare mistakes blocking your glow and learn simple fixes. Expert tips on Vitamin C, Niacinamide,...
Yes, you can safely use vitamin C and niacinamide together. Our ROI's serum duo is specifically formulated with optimal pH levels to ensure both ingredients work effectively without causing irritation or ingredient conflicts.
Use the Vitamin C serum in the morning after cleansing and before moisturizer. Apply the Niacinamide serum in your evening routine after cleansing. Start every other day and gradually increase to daily use as your skin adjusts.
This serum duo targets multiple concerns: brightens complexion, minimizes pores, reduces oil production, fades dark spots, improves skin texture, strengthens skin barrier, and provides anti-aging benefits for smoother, more radiant skin.
Most users notice improved skin texture and brightness within 2-4 weeks of consistent use. For significant improvements in pore appearance and dark spots, allow 6-8 weeks of regular application.