Evidence
What the evidence shows
The Ordinary's serum is famous for its high concentration and low price. But 10% niacinamide isn't for everyone - it delivers powerful results for oil control and pores but can irritate sensitive skin. Knowing what it's for means knowing when to use it and when to pass.
Use this section to decide
Does this advice apply to me?
Find the concern or goal closest to yours, then use the fit signal to decide how much weight to give this guide.If your goal is
Primary useUsually relevant- Fit signal
- Often useful
Oil control + pore reduction
If your goal is
Key ingredientsUse caution- Fit signal
- Limited evidence
Niacinamide 10% + Zinc 1%
If your goal is
Best forUsually relevant- Fit signal
- Often useful
Oily, combination, acne-prone
If your goal is
Price pointUsually relevant- Fit signal
- Often useful
Affordable (under $10)
Practical use
How to use it
Determine if 10% niacinamide is right for you
If you have oily or acne-prone skin, it's a good fit. If you have sensitive skin, start cautiously.
Apply a few drops to clean, dry skin
Use 2-3 drops for the entire face, spreading evenly.
Follow with moisturizer
The serum is water-based - follow with a moisturizer to lock in benefits.
Safety
Side effects and cautions
- Using it without knowing if your skin tolerates 10% niacinamide
If you have sensitive skin, start with a lower-concentration product first.
- Applying too much product
A few drops are sufficient for the entire face.
- Expecting it to treat dry skin
This serum is for oil control - it's not particularly hydrating.
Fit
Who should be careful
- Sensitive skin, those who react to high niacinamide concentrations
Worth noting
Small details that can change the answer
- High Concentration. 10% is a relatively high niacinamide concentration for skincare.
- Zinc Addition. Zinc PCA adds oil-regulating and anti-inflammatory benefits.
- Affordable Price. The serum is known for its low price point relative to its concentration.
- Best For. Most effective for oily, combination, and acne-prone skin.
The Ordinary's Niacinamide 10% + Zinc 1% is for oil control, pore reduction, and barrier support.
It's best suited for oily, combination, and acne-prone skin.
The 10% concentration is high - not suitable for everyone.
The zinc adds additional oil-regulating and anti-inflammatory benefits.
It's affordable and effective for those who tolerate it.
Definition
What is The Ordinary Niacinamide 10% + Zinc 1%?
The Ordinary's Niacinamide 10% + Zinc 1% is a water-based serum that combines a high concentration of vitamin B3 (niacinamide) with zinc PCA. The product is designed to be an affordable, effective option for those seeking to regulate oil production, reduce the appearance of pores, and support the skin barrier.
- Niacinamide: 10% concentration for potent skin benefits
- Zinc PCA: 1% concentration for additional oil control
- Water-based: Lightweight, suitable for layering
- Minimal formulation: No unnecessary fillers or fragrances
Explanation
What the serum is for
The serum serves multiple functions, making it versatile for various skin concerns. Its primary purposes include: regulating sebum production, which helps control shine and prevent breakouts; reducing the appearance of pores by keeping them clear of excess oil; supporting the skin barrier to maintain hydration and protection; and calming inflammation, which can help with acne and redness.
Benefits
Who benefits most from this serum
While the serum can benefit many skin types, it's particularly suited to:
- Oily skin that produces excess sebum
- Combination skin that needs balance
- Acne-prone skin that would benefit from oil control and anti-inflammatory effects
- Those looking to reduce the appearance of enlarged pores
- Anyone wanting to support their skin barrier at an affordable price point
Risks
Who should consider alternatives
The high concentration (10%) can be problematic for some people:
- Sensitive skin that may react to high niacinamide concentrations
- Those who have experienced flushing or irritation from niacinamide before
- People using many other active ingredients that could interact
- Those looking for a more gentle, lower-concentration option
Questions
Frequently asked questions
Can I use The Ordinary niacinamide with other products?
Yes, it can be layered with other serums and moisturizers. Apply it after water-based serums and before oils and creams.
Is The Ordinary niacinamide good for dry skin?
It's not particularly hydrating. Dry skin types may prefer a lower-concentration product in a more moisturizing formula.
How often should I use The Ordinary niacinamide?
You can use it once or twice daily. If you have sensitive skin, start with once daily or every other day.
Can I use The Ordinary niacinamide with retinol?
Yes, niacinamide and retinol work well together. Apply niacinamide first, then retinol.