Biolage Color Last Purple Shampoo

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Product is rated as #114 in category Shampoo Comparisons


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  • Brand: BIOLAGE
  • Analyzed: 318 reviews. Ranks in top-30% by number of reviews
  • Mentions: 76 positive. Ranks in top-50% by share of positive mentions
  • Amazon rating: 4.7. Ranks in top-5% by Amazon ratings
Biolage Color Last Purple Shampoo photo
Biolage Color Last Purple Shampoo

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Biolage Color Last Purple Shampoo is a popular choice among customers on Amazon, ranking among the top 20% of shampoos overall.


  • Ability to neutralize brassy tones (133 mentions with 90% positive)
  • Effect on blonde hair shades (79 mentions with 93% positive)
  • Effectiveness in hair color preservation (47 mentions with 89% positive)
  • Effectiveness in providing toning benefits (24 mentions with 99% positive)
  • Scent (62 mentions with 95% positive)
  • Purple Shampoo properties (105 mentions with 77% positive)
  • Shampoo chemical content (7 mentions with 79% positive)
  • Effect on highlights (13 mentions with 100% positive)
  • Ash color maintenance (21 mentions with 88% positive)


  • Tinting effect on hair shades (6 mentions with 83% positive)
  • Improvement of hair health (20 mentions with 95% positive)
  • Effectiveness in residue or buildup removal (4 mentions with 75% positive)
  • Natural Ingredients (13 mentions with 85% positive)
  • Effect on hair manageability (5 mentions with 80% positive)
  • Hair dryness reduction after shampooing (51 mentions with 71% positive)


  • Effect on hair softness or silkiness (26 mentions with 83% positive)
  • Effectiveness in cleaning hair (12 mentions with 58% positive)
  • Effectiveness on Damaged hair (6 mentions with 50% positive)
  • Effectiveness on Frizz Control (4 mentions with 50% positive)
  • Bleached hair maintenance (4 mentions with 50% positive)
Shampoo AttributeBG RatingNumber of MentionsPositive Review PercentageAttribute Ranking
Ability to neutralize brassy tones4.813390%top-5%
Effect on blonde hair shades4.87993%top-5%
Effectiveness in hair color preservation4.74789%top-5%
Effectiveness in providing toning benefits4.72499%top-10%
Purple Shampoo properties4.310577%top-20%
Shampoo chemical content4.0779%top-30%
Effect on highlights4.013100%top-20%
Average performance
Ash color maintenance4.02188%top-30%
Tinting effect on hair shades3.9683%top-20%
Improvement of hair health3.92095%top-50%
Effectiveness in residue or buildup removal3.9475%top-40%
Natural Ingredients3.81385%top-50%
Effect on hair manageability3.8580%top-40%
Hair dryness reduction after shampooing3.75171%top-40%
Moisturizing effect3.21070%bottom-30%
Effect on hair tangling3.23100%top-30%
Effect on shiny hair3.01583%bottom-20%
Effect on hair softness or silkiness2.92683%bottom-20%
Effectiveness in cleaning hair2.81258%bottom-10%
Effectiveness on Damaged hair2.8650%bottom-20%
Effectiveness on Frizz Control2.8450%bottom-20%
Bleached hair maintenance2.8450%bottom-30%
Impact on scalp health2.6650%bottom-30%
Curly or Wavy hair users shampoo experiences2.6250%bottom-10%
Effectiveness on thinning hair2.5333%top-40%
Too few reviews:
Effectiveness on dandrufffrew reviews
Effectiveness on oily hairfrew reviews
Effectiveness on flaky scalpfrew reviews
Degreasing propertiesfrew reviews
Sulfate-free shampoofrew reviews
Biotin in shampoofrew reviews
Provision of fuller and voluminous hairfrew reviews
Squeaky clean hair feeling after shampoo usefrew reviews
Effectiveness on hair lossfrew reviews
Effectiveness in hair strengtheningfrew 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 Biolage Color Last Purple 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.