Koi Beauty Derma Roller Titanium Microneedle Roller, 540 Microneedling Roller for Men Women Face Scalp, Beard Roller for Men, Premium Micro Needling Roller

Koi Beauty Derma Roller Titanium Microneedle Roller, 540 Microneedling Roller for Men Women Face Scalp, Beard Roller for Men, Premium Micro Needling Roller

Koi Beauty Derma Roller Titanium Microneedle Roller, 540 Microneedling Roller for Men Women Face Scalp, Beard Roller for Men, Premium Micro Needling Roller

ASIN: B099MFYHMH
Analysis Date: Aug 11, 2025

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Review Analysis Results

F
Authenticity Grade
88.90%
Fake Reviews
4.22
Original Rating
1.00
Adjusted Rating

Analysis Summary

Analysis of 9 reviews found 8 potentially fake reviews (88.9%). This product has very high fake review activity. We recommend avoiding this product.

Review Statistics

3,415
Total Reviews on Amazon
-3.22
Rating Difference

Price Analysis

This is a well-rated, mid-range derma roller with premium titanium needles. Without a current price, focus on securing it within the $25-$35 range for good value. Prioritize sellers with high ratings and check for applied coupons at checkout.

MSRP Assessment

Estimated MSRP: $35-$45
Source: Market research
Amazon Price: Unable to compare

Market Position

Positioning: Mid-range
Alternatives Range: $15-$60
Value: Offers titanium needles (more durable than stainless steel) at a competitive price point within the mid-range segment.

Buying Tips

Best Time to Buy: Best around major shopping events (Prime Day, Black Friday) or during 'Beauty Month' promotions.
Deal Indicators: Look for coupons on the product page, subscribe & save discounts, or bundled deals with serums.
Watch For: Be wary of prices significantly below $15, as they may indicate low-quality materials or counterfeit products.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 16, 2025

Understanding This Analysis

What does Grade F mean?

This product has severe review authenticity problems. A majority of reviews appear fake or manipulated. We strongly recommend finding alternatives.

Adjusted Rating Explained

The adjusted rating (1.00 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 (4.22 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.

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