Renpure Originals Biotin & Collagen Shampoo

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Product is rated as #58 in category Shampoo Comparisons


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  • Brand: RENPURE
  • Analyzed: 1832 reviews. Ranks in top-5% by number of reviews
  • Mentions: 69 positive. Ranks in top-70% by share of positive mentions
  • Amazon rating: 4.4. Ranks in top-60% by Amazon ratings
Renpure Originals Biotin & Collagen Shampoo photo
Renpure Originals Biotin & Collagen Shampoo

Price History



Renpure Originals Biotin & Collagen Shampoo is a popular shampoo on Amazon, with a positive rating of 4.3.

  • It is among the top 40% in terms of price and has received a high number of reviews, ranking it among the top 5% of shampoos.


  • Improves hair health (Top 5%)
  • Contains natural ingredients (Top 10%)
  • Pleasant scent (Top 10%)
  • Effective in cleaning hair (Top 30%)
  • Effective on thinning hair (Top 10%)
  • Leaves hair soft and silky (Top 30%)
  • Enhances hair shine (Top 40%)
  • Sulfate-free (Top 20%)
  • Provides fuller and voluminous hair (Top 20%)
  • Positive opinions on shampoo’s chemical content (Top 20%)


  • Effectiveness on hair growth (Top 20%)
  • Maintains bleached hair (Top 30%)
  • Effectiveness on damaged hair (Top 40%)
  • Reduces hair dryness after shampooing (Top 60%)
  • Presence of biotin in shampoo (Top 30%)


  • Potential impact on scalp health (Top 50%)
  • Less effective in controlling frizz (Bottom 30%)
  • Less effective on oily hair (Bottom 30%)
  • May contribute to hair tangling (Bottom 40%)
  • Limited degreasing properties (Bottom 20%)
Shampoo AttributeBG RatingNumber of MentionsPositive Review PercentageAttribute Ranking
Improvement of hair health5.032199%top-5%
Natural Ingredients4.89290%top-10%
Effectiveness in cleaning hair4.513288%top-30%
Effectiveness on thinning hair4.436183%top-10%
Effectiveness on thinning hair4.436183%top-10%
Effect on hair softness or silkiness4.320595%top-30%
Effect on shiny hair4.38694%top-40%
Sulfate-free shampoo4.23386%top-20%
Provision of fuller and voluminous hair4.26092%top-20%
Shampoo chemical content4.210278%top-20%
Effectiveness in hair strengthening4.15697%top-20%
Effectiveness on hair loss4.032467%top-10%
Average performance
Effectiveness on Hair Growth3.711780%top-20%
Bleached hair maintenance3.7683%top-30%
Effectiveness on Damaged hair3.68768%top-40%
Hair dryness reduction after shampooing3.633751%top-60%
Biotin in shampoo3.66278%top-30%
Effectiveness in hair color preservation3.52093%top-30%
Moisturizing effect3.53174%top-50%
Curly or Wavy hair users shampoo experiences3.44674%top-50%
Effect on hair manageability3.04159%bottom-30%
Effectiveness in residue or buildup removal3.07749%bottom-20%
Impact on scalp health2.910660%top-50%
Effectiveness on Frizz Control2.85246%bottom-30%
Effectiveness on oily hair2.64340%bottom-30%
Effect on hair tangling2.64539%bottom-40%
Degreasing properties2.51354%bottom-20%
Effectiveness on dandruff2.53327%top-30%
Effect on blonde hair shades2.5825%top-40%
Ability to neutralize brassy tones2.52100%top-50%
Effectiveness on seborrheic dermatitis2.5425%top-40%
Too few reviews:
Effectiveness on flaky scalpfrew reviews
Purple Shampoo propertiesfrew reviews
Ash color maintenancefrew reviews
Effect on highlightsfrew reviews
Effectiveness in providing toning benefitsfrew reviews
Squeaky clean hair feeling after shampoo usefrew reviews
Tinting effect on hair shadesfrew reviews
Effectiveness on fungal infectionsfrew reviews
Effectiveness on psoriasisfrew reviews

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How we determined rating score for Renpure Originals Biotin & Collagen 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.