Roo's Verdict
Top picks ranked by relevance and ratings.
We compared thousands of niacinamide serums from $5.97 to $49 across Amazon, Walmart, and Target. The Ordinary Niacinamide 10% Serum ($6 on Amazon) is our best value pick, featuring 4.7 stars from 48,400 reviews. It effectively targets blemish-prone skin with added zinc, while being a budget-friendly option compared to alternatives like the Good Molecules 10% Serum, priced at $5.97.
💰 Budget
The Good Molecules Niacinamide Serum 10% ($5.97 at Amazon) is the budget option, with a solid rating of 4.6 stars from 11,400 reviews — offering comparable benefits to our best value pick albeit at a slightly lower overall value.
⭐ Top Rated
The Ordinary Niacinamide 10% Serum at 4.7 stars with 48,400 reviews ($6 at Amazon) stands out for its effectiveness and overwhelming customer support, showing it's well-trusted in skincare routines.
3 stores
compared in real time
72+ products
tracked for this search
721% price gap
$5.97 – $49.00 range
Updated Feb 16, 2026
prices verified today
How we ranked Niacinamide Facial Serum: Shopperoo compared 72+ options across 3 stores (Amazon, Target, Walmart) and scored each on price , star rating, review volume, and availability. The cheapest option is $5.97 at Amazon — 721% less than the highest-priced equivalent. Roo's best value pick is "The Ordinary Niacinamide 10% Serum" at Amazon for $6 (4.7 ★ from 48.4K 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% Serum
$6.00 at Amazon
- ✓4.7 stars with 48,400+ reviews for proven effectiveness
- ✓Targets blemish-prone skin with added zinc
Budget
Good Molecules Niacinamide Serum 10%
$5.97 at Amazon
- ✓Lowest price at $5.97 with strong 4.6-star rating from 11,400 reviews
- ✕Less popular than the top-rated Ordinary serum
What to Look For in Niacinamide Facial Serum
- Formulation: Look for serums with additional ingredients like zinc or hyaluronic acid for enhanced benefits.
- Packaging: Air-tight packaging helps maintain the serum’s efficacy by preventing oxidation.
- Skin type compatibility: Choose formulas designated for your skin type—oily, dry, or combination for best results.
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: Niacinamide Facial Serum
Where is Niacinamide Facial Serum cheapest right now?
The budget Niacinamide Facial Serum is $5.97 at Amazon — "Good Molecules Niacinamide Serum 10%". The most expensive is $49.00 at Amazon — a 721% price gap for comparable products. Price gaps this wide typically reflect differences in pack size, bundle inclusions, or retailer promotional cycles. Shopperoo checks 3 stores in real time so this reflects today's live pricing as of Feb 16, 2026.
What's the best value Niacinamide Facial Serum?
Roo's best value pick is "The Ordinary Niacinamide 10% Serum" at Amazon for $6 - it scores best on price ($6), rating (4.7★ from 48.4K reviews) and availability.
Which stores have Niacinamide Facial Serum?
Shopperoo found Niacinamide Facial Serum in stock at all 3 stores we track: Amazon, Target, Walmart. Amazon carries the widest selection, followed by Target. 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 Feb 16, 2026.
How does Shopperoo rank Niacinamide Facial Serum?
Shopperoo pulls live product data from 3 retailers and scores each Niacinamide Facial 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 Niacinamide Facial Serum?
Choosing Shopperoo's best-value pick saves $43 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 3 stores is 721% — $43.03 between the cheapest and most expensive comparable option. Shopperoo's rankings are not influenced by affiliate fees or sponsored placements.