Vitamin C Serum 20% Clinical Strength. 2 Ounce Bottle. Made With Certified Organic Ingredients....
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From Natural Earth Laboratory
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Report Card
Most Trusted Reviews
TRUST
- Verified Purchaser
- Critical Reviewer (avg. rating: 4.1)
Least Trusted Reviews
TRUST
- Verified Purchaser
- One-Hit Wonder
- Overrepresented Participation (posted 1 Review)
- Critical Reviewer (avg. rating: 2.0)
Analysis Details
One-Hit Wonders
40 of the 294 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 4.8 while the reviewers who have posted more than one review 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.
We discovered a total of 5 deleted Reviews for this product, with an average rating of 4.4. 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.
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- 79%
- From reviewers with an overrepresented participation
We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 233 reviewers (or 79%) are within an overrepresented participation group. This is an excessively high number of reviewers in overrepresented participation groups.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
19 of the 294 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
(5.0/5)
(5.0/5)
(4.7/5)
(4.1/5)
(4.5/5)
(5.0/5)
(5.0/5)
(4.8/5)
(4.3/5)
(5.0/5)
(5.0/5)
(4.3/5)
(3.7/5)
34 of the 294 total reviews for this product 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.
5% also reviewed:
Maritime Naturals Vitamin C Serum for Face... by Maritime Naturals
4% also reviewed:
Maritime Naturals Retinol Moisturizer for face... by Maritime Naturals
3% also reviewed:
OZNaturals- Vitamin C Serum For Your Face... by OZNaturals
3% also reviewed:
Aztec Secret Indian Healing Clay Deep Pore... by Aztec Secret
3% also reviewed:
OZ Naturals - THE BEST Hyaluronic Acid Serum For... by Oz Naturals
2% also reviewed:
ArtNaturals Anti-Aging Vitamin C Serum - (1 Fl Oz... by ArtNaturals
2% also reviewed:
Sweet Almond Oil 16 oz Carrier Oil - Cold Pressed... by Premium Nature
2% also reviewed:
All Natural Advice Hyaluronic Acid Serum 60ml –... by All Natural Advice
from the same brand
67 of the 294 reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
4.4 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
2 of the 294 total reviews for this product admitted to receiving a free or discounted product in exchange for a review. 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 Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.