Prell Classic Clean Shampoo

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Product is rated as #60 in category Shampoo Comparisons


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  • Brand: Prell
  • Analyzed: 534 reviews. Ranks in top-20% by number of reviews
  • Mentions: 90 positive. Ranks in top-10% by share of positive mentions
  • Amazon rating: 4.8. Ranks in top-5% by Amazon ratings
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Prell Classic Clean Shampoo

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Prell Classic Clean Shampoo is a popular choice among customers, ranking among the top 20% of shampoos on Amazon.


  • Provides a squeaky clean hair feeling (Top 5%)
  • Highly effective in cleaning hair (Top 5%)
  • Effective on oily hair (Top 5%)
  • Pleasant scent (Top 5%)
  • Removes residue or buildup effectively (Top 10%)
  • Improves hair health (Top 30%)
  • Adds shine to hair (Top 40%)
  • Has degreasing properties (Top 10%)


  • Improves hair softness or silkiness (Top 50%)
  • Has a moderate impact on scalp health (Top 30%)
  • Mixed opinions on reducing hair dryness (Top 50%)
  • Improves hair manageability (Top 50%)
  • Contains natural ingredients (Top 60%)
  • Reduces hair tangling (Top 30%)


  • Not as effective for damaged hair (Bottom 20%)
  • May not preserve hair color effectively (Bottom 40%)
  • Not effective in controlling frizz (Bottom 10%)
  • Mixed effectiveness on thinning hair (Top 40%)
Shampoo AttributeBG RatingNumber of MentionsPositive Review PercentageAttribute Ranking
Squeaky clean hair feeling after shampoo use5.020100%top-5%
Effectiveness in cleaning hair5.0157100%top-5%
Effectiveness on oily hair4.92591%top-5%
Effectiveness in residue or buildup removal4.72398%top-10%
Effectiveness in residue or buildup removal4.72398%top-10%
Improvement of hair health4.43093%top-30%
Effect on shiny hair4.31794%top-40%
Degreasing properties4.04100%top-10%
Average performance
Effect on hair softness or silkiness3.81191%top-50%
Impact on scalp health3.82186%top-30%
Hair dryness reduction after shampooing3.72164%top-50%
Effect on hair manageability3.62100%top-50%
Natural Ingredients3.4570%top-60%
Effect on hair tangling3.22100%top-30%
Curly or Wavy hair users shampoo experiences3.23100%top-60%
Shampoo chemical content3.11155%top-60%
Effectiveness on Damaged hair2.8350%bottom-20%
Effectiveness in hair color preservation2.8580%bottom-40%
Effectiveness on Frizz Control2.6250%bottom-10%
Effectiveness on dandruff2.53100%top-30%
Ability to neutralize brassy tones2.52100%top-50%
Effectiveness on thinning hair2.5475%top-40%
Too few reviews:
Effectiveness on flaky scalpfrew reviews
Moisturizing effectfrew reviews
Effect on blonde hair shadesfrew reviews
Purple Shampoo propertiesfrew reviews
Ash color maintenancefrew reviews
Effect on highlightsfrew reviews
Bleached hair maintenancefrew reviews
Effectiveness in providing toning benefitsfrew reviews
Sulfate-free shampoofrew reviews
Biotin in shampoofrew reviews
Provision of fuller and voluminous hairfrew reviews
Effectiveness on hair lossfrew reviews
Effectiveness in hair strengtheningfrew reviews
Tinting effect on hair shadesfrew reviews
Effectiveness on fungal infectionsfrew reviews
Effectiveness on psoriasisfrew reviews
Effectiveness on seborrheic dermatitisfrew reviews
Effectiveness on Hair Growthfrew reviews

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How we determined rating score for Prell Classic Clean Shampoo

We strongly believe that the best information about a shampoo's performance comes from actual users. This includes details like how well it works for different hair types, health benefits, look and feel, and any side effects. Our analysis and scoring method includes:
  • Using AI to collect shampoo reviews from major online stores. We analyze these reviews to find out what customers care about the most, like how the shampoo works for different hair types, its scent, and its effectiveness in treating scalp and hair issues such as dryness, flakiness, or oiliness. We also look at other factors like how well it moisturizes, adds shine, and affects hair tangling.
  • Once we identify the main topics customers talk about, which we call product attributes, we use special AI algorithms to track every mention of these attributes in each shampoo we study.
  • For each shampoo and attribute, we calculate several metrics, like how often it's mentioned, its percentage of all reviews, and the balance of positive and negative feedback. We then compare these numbers across different shampoos to create a comparative score for each one, done separately for every attribute.