Choosing the right serum can feel overwhelming — especially when it comes to Vitamin C and Niacinamide, two of skincare's most powerful ingredients. In this post, we break down what they do, who they're for, and how ROI's Korean clinical formulas make the choice simple.

What Does Niacinamide Do?

Niacinamide is your go-to for calming, clarifying, and balancing your skin. It's particularly effective for Indian skin dealing with humidity and pollution-related concerns.

Key Benefits:

• Reduces oiliness and breakouts
• Minimizes pore appearance
• Fades acne scars and post-inflammatory hyperpigmentation
• Strengthens the skin barrier against environmental damage
• Soothes redness and inflammation
• Controls excess sebum production in humid weather

Perfect for: Oily, acne-prone, or sensitive skin types common in India's climate.

👉 Shop ROI's Niacinamide Serum

What Does Vitamin C Do?

Vitamin C is best for brightening and protecting your skin against environmental stressors like pollution and UV damage.

Key Benefits:

• Fades pigmentation and dark spots
• Boosts collagen production for smoother skin
• Protects against sun damage and pollution
• Brightens dull complexion
• Improves overall skin tone and texture
• Provides antioxidant protection throughout the day

Perfect for: All skin types, especially those dealing with dullness, uneven tone, or environmental damage.

👉 Shop ROI's 15% Vitamin C Serum

So... Which One Should You Use?

Here's your quick decision guide based on your primary skin concerns:

Can You Use Both Together?

Absolutely! ROI's gentle formulations are designed to work together. Here's how:

Option 1: Time separation

• Use Vitamin C in the morning for protection
• Use Niacinamide at night for repair

Option 2: Layer with care

• Apply Vitamin C first
• Wait 10–15 minutes
• Then apply Niacinamide

Get the complete guide: How to Layer Vitamin C + Niacinamide Safely

Why Choose ROI's Serums?

Our Korean clinical formulations are specifically designed for Indian skin needs:

• Suitable for sensitive and acne-prone skin
• Paraben free, sulfate free
• Formulated to work in India's humid climate
• Clinically tested for safety and efficacy

Conclusion: Customize Your Glow

There's no wrong answer — just what your skin needs right now. Whether you choose ROI's Niacinamide Serum, 15% Vitamin C Serum, or both, you're making a skin-smart choice rooted in clean, science-backed skincare.

✨ Want the best of both worlds?
👉 Try ROI's Vitamin C + Niacinamide Duo for complete skin transformation

Individual serums:

• Niacinamide Serum - For pore refining and oil control
• 15% Vitamin C Serum - For brightening and protection