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InstaNatural Vitamin C Skin Clearing Serum - 30 ml
More product info
From InstaNatural
This report was last updated 4/7/2022.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
*This is only a Preliminary Report
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Report Card
Pass Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Unverified Purchases
Unverified PurchasesFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Overlapping Review History
Overlapping Review HistoryPASS Rating Trend
Rating TrendPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
Gave me serious reactions, My face looks worse than I ... [Go to full review]
Jun 22, 2020
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 3.0)
Brand Repeater (2 of 14 reviews for this brand; avg rating: 5.0)
One-Hit Wonder
Least Trusted Reviews
Good product [Go to full review]
Feb 28, 2016
0%
TRUST
TRUST
-
Unverified Purchaser -
Created on a high volume day
-
Never-Verified Reviewer -
Brand Loyalist (9 of 13 reviews for this brand; avg rating: 5.0) -
Overlapping Review History: reviewed 2 of 9 top products -
Overrepresented Participation (posted 13 Reviews) -
Easy Grader (avg. rating: 5.0)
Overrepresented word count (108 words)
Contains repetitive phrases 
Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
Brand Monogamist (2 of 2 reviews for this brand; avg rating: 5.0)
Admitted to receiving an incentive
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 1,185 deleted Reviews for this product, with an average rating of 4.7. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
4.7 average rating of deleted reviews
Fail Unverified Purchases
Unverified Purchases
225 of the 4,415 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 1.0 while the verified purchasers have rated this product an average of 4.0. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Fail Suspicious Reviewers
Suspicious Reviewers
Take-Back Reviewers
Approximately 25% of reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 2.4 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 4.4. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Fail Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
PurOrganica Retinol Serum - Best Treatment for... by PurOrganica
<10% also reviewed:
Vax H86-GA-B Gator Cordless Handheld Vacuum... by Vax
<10% also reviewed:
Elemis Dynamic Resurfacing Facial Wash by Elemis
<10% also reviewed:
SKINKISSED ������ ����*... by skinkissed
<10% also reviewed:
Tangle Teezer Fine and Fragile Detangling... by Tangle Teezer
Does not include products
from the same brand
from the same brand
Approximately 15% of reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 3.0 while the reviewers who have a more unique product review history rated this product an average of 4.0. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Pass Rating Trend
Rating Trend
-
- <10%
- Created on high-volume days
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Word Count Comparison
Word Count Comparison
-
- <10%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Reviews:
~7% of reviews
(5.0/5)
(5.0/5)
-
- <10%
- Used substantial repetitive phrases
Less than approximately 10% of reviews use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Read more about our Phrase Repetition test.
Read more about our Phrase Repetition test.
Pass Reviewer Ease
Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4.2, while the average ease score for reviewers in this category is 4.4.
4.2 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
Approximately 20% of reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.