What percentage of reviews are fake for this product?

10.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of B based on review authenticity analysis.

How many reviews were analyzed?

100 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 4.60 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

Is this product priced fairly on Amazon?

Based on AI price analysis, this product is Unable to compare.

How is this product positioned in the market?

This product is positioned as a Budget option in its category.

The Ordinary Niacinamide 10% + Zinc 1%, Smoothing Serum for Blemish-Prone Skin

Name: Amazon Product Review Analysis Data
Creator: Null Fake
License: https://creativecommons.org/licenses/by/4.0/

ASIN: B01MDTVZTZ

Analysis Date: Dec 28, 2025

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Review Analysis Results

B

Authenticity Grade

10.00%

Fake Reviews

4.87

Original Rating

4.60

Adjusted Rating

Analysis Summary

Analysis of 100 reviews across 2 chunks. Weighted fake percentage: 10%. Chunk consistency: high. Global patterns: Extremely high 5-star concentration (87%). Based on a comprehensive analysis of 45 verified purchase reviews for The Ordinary Niacinamide 10% + Zinc 1% serum, the overwhelming majority (approximately 92%) appear to be genuine user experiences.

Key patterns identified in the review analysis include: Specific personal skincare routines mentioned, Balanced critiques alongside praise, Mention of dermatologist recommendations.

Review Statistics

About Review Data Collection

We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.

100

Reviews Analyzed

90

Genuine Reviews

10

Fake Reviews

-0.27

Rating Difference

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Price Analysis

The Ordinary is known for exceptionally affordable, no-frills skincare with clinical ingredient concentrations. For this serum, expect to pay $6.50-$8.50 for legitimate products. Given the brand's transparent pricing model, Amazon prices should align closely with the brand's direct pricing, with occasional discounts through Subscribe & Save or sales events.

MSRP Assessment

Estimated MSRP: $6.50-$8.50

Source: Brand typical pricing

Amazon Price: Unable to compare

Market Position

Positioning: Budget

Alternatives Range: $10-$40

Value: This product offers pharmaceutical-grade niacinamide at a fraction of the cost of most skincare serums with similar active ingredient concentrations.

Buying Tips

Best Time to Buy: Best deals often appear during major sales events like Prime Day, Black Friday, and post-holiday skincare sales.

Deal Indicators: Look for Subscribe & Save discounts, multi-pack bundles, or prices below $6.50 per bottle.

Watch For: Be wary of prices significantly below $5 (possible counterfeit risk) or significantly above $12 (likely third-party price gouging).

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 28, 2025

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (4.60 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.87 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.