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K18 Biomimetic Hairscience PEPTIDE PREP™ Clarifying Detox Shampoo
K18 Biomimetic Hairscience

PEPTIDE PREP™ Clarifying Detox Shampoo

4.5★ · 914 Sephora reviews · #57 Sephora bestseller

  • GlowGrails score45/100i
  • Reddit signal42/100i
  • Evidence5 Reddit discussions
  • VerdictLeans negative
  • Strongest signalprotein overload · scalp issues
$39–$47.2 at SephoraMake this personal → Add your skin type and products you like.
Why it scored 45

Leans negative

5 independent Reddit discussions · Strong evidence

0 positive1 mixed1 negative3 neutral
Bottom line

Reddit discussion leans negative, with meaningful reservations. The strongest use-case signal is protein overload and scalp issues. The most common watch-out is damage and dandruff.

People mention
protein overloadscalp issuesuntreated hair
Watch-outs
damagedandruffprotein overloadpsoriasis

Representative discussions

Every summary links back to the source discussion.

Mixedr/Sephora · 7 points

Users compare the clarifying strength of K18 and Ouai detox shampoos, with some preferring one over the other for their specific hair and scalp concerns.

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Negativer/Sephora · 2 points

A user asks for clarifying shampoo recommendations for untreated hair, with commenters warning against using products like K18 that are meant for damaged hair.

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Neutralr/HaircareScience · 23 points

Users discuss the effectiveness and ingredients of K18 PEPTIDE PREP Clarifying Detox Shampoo, with some questioning its ability to penetrate the hair cortex and others comparing it to similar products.

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View 2 more source-linked discussions
Neutralr/Sephora · 3 points

A user asks for a comparison between K18 and Ouai detox shampoos, with commenters providing their personal preferences and experiences.

Open source →
Neutralr/HaircareScience · 2 points

A user asks if the K18 detox shampoo removes protein, with a bot responding that there is no scientific evidence to support the concept of protein overload.

Open source →