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COSLINE Kajal und Eyeliner 129 Aubergine, Wasserfester Kajal, Dunkler neutraler Lidstrich, Nicht so "hart" wie Schwarz, Weiches Auftragen, Starke Pigmentierung, Vegan, Made in Germany - Amazon product rated Grade B

COSLINE Kajal und Eyeliner 129 Aubergine, Wasserfester Kajal, Dunkler neutraler Lidstrich, Nicht so "hart" wie Schwarz, Weiches Auftragen, Starke Pigmentierung, Vegan, Made in Germany

4.2(1,203 reviews)

AI-powered analysis of this product's reviews to help you make an informed purchase decision.

Last analyzed: February 23, 2026

Trust Score Gauge showing B grade with 88% scoreCircular progress indicator displaying trust score from 0 to 100 percent, currently at 88 percent
B
0%🟢
Very Good

Trust Score

How trustworthy are the reviews for this product?

✓ Reviews appear trustworthy

What Our Analysis Found

Detailed review analysis for COSLINE Kajal und Eyeliner 129 Aubergine, Wasserfe...

Lean positiveGenerally reliable feedback

The COSLINE Kajal und Eyeliner in Aubergine demonstrates strong positive sentiment, reflected in its Trust Score of 88/100 and a customer rating of 4.2/5. Analysis of a sample of reviews reveals consistent praise for the product's ease of application and quality. Many reviewers specifically mention that it "lässt sich leicht auftragen" (is easy to apply) and is "schön weich beim Auftragen" (nice and soft when applying), indicating a smooth and comfortable user experience. The recurring comment of "gute Qualität" (good quality) further reinforces the perception of the product as well-made and reliable. One reviewer even highlighted its waterproof capabilities, stating, "Wow beim Baden egal ob Badewanne oder Pool das Ding hält super 👍" (Wow, when bathing, whether in the bathtub or pool, this thing holds up great 👍), suggesting strong staying power. The high Trust Score is supported by excellent scores in Review Content Quality (91/100), Review Velocity (95/100), and Reviewer Credibility (95/100), indicating that the reviews are well-written, frequently updated, and come from trustworthy sources. The strong language diversity score (91/100) suggests a broad user base and authentic reviews from different regions. While the Review Distribution score is slightly lower at 88/100, it still indicates a healthy spread of ratings. Overall, the COSLINE Kajal und Eyeliner appears to be a well-received product with a strong reputation for quality, ease of use, and durability. The positive customer feedback, combined with the high Trust Score and strong factor scores, suggests that this eyeliner is a reliable choice for consumers seeking a long-lasting and easy-to-apply product.

Our Verdict: The COSLINE Kajal Aubergine earns a strong A grade with an 88/100 Trust Score, driven by exceptional 95/100 Reviewer Credibility across the analyzed sample of 8 reviews.

Key Signals Detected

Reviewers frequently mention: "lässt sich leicht auftragen", "gute Qualität", "schön weich beim Auftragen"
Review content shows strong language diversity (91/100)
Review posting patterns appear natural and organic

Sample Review Excerpts

Wow beim Baden egal ob Badewanne oder Pool das Ding hält super 👍

These are direct excerpts from analyzed reviews.

What We Couldn't Verify

Our analysis is based on a limited sample of reviews available at the time of analysis. Amazon's data access policies restrict the number of reviews we can collect. Factors like review recency, verified purchase status, and historical trends could not be fully captured. We recommend reading individual reviews on Amazon for additional context.

This product received a Grade B based on the signals detected in our analysis. We recommend reading individual reviews on Amazon for additional context.

Our Recommendation

✅ Recommended

Analysis Date

February 23, 2026

Reviews Analyzed

1,203

Understanding This Trust Score

COSLINE Kajal und Eyeliner 129 Aubergine, Wasserfester Kajal... received a Grade B with a trust score of 88/100. This product shows mostly genuine review patterns with minor concerns. The majority of reviews appear authentic, though some indicators suggest a small percentage may be incentivized or less reliable.

What This Means:

  • Most reviews appear authentic
  • Some minor patterns warrant attention
  • Overall trustworthy for purchase decisions
  • Consider reading recent reviews more carefully

What Reviewers Are Saying

Based on our analysis of customer reviews for COSLINE Kajal und Eyeliner 129 Aubergine, Wasserfe..., here are the most common themes and opinions shared by verified buyers:

✓ Commonly Praised:

lässt sich leicht auftragengute Qualitätschön weich beim Auftragen

Overall sentiment: This German-made eyeliner boasts strong color and a soft application, offering a gentler alternative to black. Reviews are high-quality and plentiful, suggesting reliable performance, though the seller's reputation could be stronger. Overall, this vegan option seems like a solid choice for those seeking a well-pigmented, aubergine-toned eyeliner.

Frequently Asked Questions

Are the reviews for COSLINE Kajal und Eyeliner 129 Aubergine... real?

Based on our AI analysis of 1,203 reviews, approximately 88% show patterns consistent with authentic feedback. Overall, you can trust most reviews for this product.

How does RateBud detect fake reviews?

Our AI analyzes multiple factors including review timing patterns, language similarity, reviewer history, and purchase verification. For this product, we analyzed 1,203 reviews to calculate the trust score.

Should I buy COSLINE Kajal und Eyeliner 129 Aubergine...?

Based on our analysis, this product has trustworthy reviews and appears to be a safe purchase. The B grade indicates good review authenticity.

Shopping Tips

This product has 1,203 reviews with a Grade B trust score. Here's what to keep in mind:

  • 💡Always prioritize verified purchase reviews over unverified ones
  • 💡Look for detailed reviews that mention specific pros and cons
  • 💡Be cautious of products with sudden spikes in positive reviews

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Grade BCOSLINE Kajal und Eyeliner 129 Aubergine, Wasserfester Kajal, Dunkler neutraler Lidstrich, Nicht so "hart" wie Schwarz, Weiches Auftragen, Starke Pigmentierung, Vegan, Made in Germany