Roo's Verdict
Top picks ranked by relevance and ratings.
We found thousands of results for The Ordinary Niacinamide from $6 to $25 across Amazon and Target. The Ordinary Niacinamide 10% + Zinc Serum ($6 on Amazon) is the best match at 4.7 stars with 51,200+ reviews.
🏆 Best Value
The Ordinary Niacinamide 10% + Zinc Serum ($6 at Amazon) is our best value pick — and also our budget pick — at 4.7 stars with 51,200+ reviews. It effectively targets blemishes and improves skin texture, making it a go-to for many skincare enthusiasts. It's $6 less than the top-rated alternative, The Ordinary Niacinamide 10% + Zinc Serum ($12 on Amazon), which offers the same formulation but at a higher price.
⭐ Top Rated
The Ordinary Niacinamide 10% + Zinc Serum at 4.7 stars with 51,200+ reviews ($12 on Amazon). It provides the same benefits as our best value pick but at a higher price point, making it less appealing for budget-conscious shoppers.
2 stores
compared in real time
51+ products
tracked for this search
320% price gap
$5.97 – $25.10 range
Updated Mar 21, 2026
prices verified today
How we ranked The Ordinary Niacinamide Serum: Shopperoo compared 51+ options across 2 stores (Amazon, Target) and scored each on price , star rating, review volume, and availability. The cheapest option is $5.97 at Amazon — 320% less than the highest-priced equivalent. Roo's best value pick is "The Ordinary Niacinamide 10% + Zinc Serum" at Amazon for $6 (4.7 ★ from 51.2K reviews). Rankings are updated in real time and are not influenced by retailer fees or sponsored placements.
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Quick Comparison: Top Picks
Best Value
The Ordinary Niacinamide 10% + Zinc Serum
$6.00 at Amazon
- ✓Highly rated at 4.7 stars with 51,200+ reviews
- ✓Effective for blemish-prone skin at an unbeatable price
- ✕Same product as the top-rated option but cheaper
Budget
Good Molecules Niacinamide Serum
$5.97 at Amazon
Top Rated
The Ordinary Niacinamide 10% + Zinc Serum
$12.00 at Amazon
- ✓4.7 stars from 51,200+ reviews with proven effectiveness
- ✕Higher price than the best value option
What to Look For in The Ordinary Niacinamide Serum
- Concentration: Higher concentrations of niacinamide can provide better results for blemish control.
- Formulation: Look for serums with added ingredients like zinc for enhanced skin benefits.
- Skin type compatibility: Ensure the product suits your skin type, especially if you have sensitive skin.
How Shopperoo Compares Products
Shopperoo's AI scans live pricing from Amazon, Walmart, Target, Kroger, and other major retailers, then ranks products by balancing price, ratings, review count, and availability. Our best value pick isn't just the cheapest — it's the product with the best combination of low price and high customer satisfaction. Learn more about our methodology
Get Today's Best Price
We check 10+ retailers so you don't have to.
FAQ: The Ordinary Niacinamide Serum
Where is The Ordinary Niacinamide Serum cheapest right now?
The budget The Ordinary Niacinamide Serum is $5.97 at Amazon — "Good Molecules Niacinamide Serum". The most expensive is $25.10 at Amazon — a 320% price gap for comparable products. Price gaps this wide typically reflect differences in pack size, bundle inclusions, or retailer promotional cycles. Shopperoo checks 2 stores in real time so this reflects today's live pricing as of Mar 21, 2026.
What's the best value The Ordinary Niacinamide Serum?
Roo's best value pick is "The Ordinary Niacinamide 10% + Zinc Serum" at Amazon for $6 - it scores best on price ($6), rating (4.7★ from 51.2K reviews) and availability.
Which stores have The Ordinary Niacinamide Serum?
Shopperoo found The Ordinary Niacinamide Serum in stock at all 2 stores we track: Amazon, Target. Target carries the widest selection, followed by Amazon. Store availability and pricing are checked in real time — if a store sells out or changes its price, Shopperoo updates within hours. Prices last verified Mar 21, 2026.
How does Shopperoo rank The Ordinary Niacinamide Serum?
Shopperoo pulls live product data from 2 retailers and scores each The Ordinary Niacinamide Serum on four factors: price, star rating, number of verified reviews, and real-time stock availability. Products are grouped into three lists — Best Value, Top Rated, and Lowest Price — so shoppers can choose based on their priorities. No retailer pays to appear in these rankings; placement is determined solely by the score.
How much can I save on The Ordinary Niacinamide Serum?
Choosing Shopperoo's best-value pick saves $16 compared to Amazon's default top result. Amazon's algorithm surfaces sponsored and Prime-eligible products first, which aren't always the best price. The full price spread across all 2 stores is 320% — $19.13 between the cheapest and most expensive comparable option. Shopperoo's rankings are not influenced by affiliate fees or sponsored placements.