GlowGrails
Olaplex No. 4C Bond Maintenance™ Deep Clean Clarifying Shampoo
Olaplex

No. 4C Bond Maintenance™ Deep Clean Clarifying Shampoo

4.7★ · 1,246 Sephora reviews · #507 Sephora bestseller

  • GlowGrails score51/100i
  • Reddit signal52/100i
  • Evidence4 Reddit discussions
  • VerdictMixed
  • Strongest signalbefore using olaplex no. 3 · for healthy hair
$34 at SephoraMake this personal → Add your skin type and products you like.
Why it scored 51

Mixed

4 independent Reddit discussions · Moderate evidence

0 positive1 mixed0 negative3 neutral
Bottom line

Reddit does not show a clear consensus. The strongest use-case signal is before using olaplex no. 3 and for healthy hair. The most common watch-out is heat damage.

People mention
before using olaplex no. 3for healthy hair
Watch-outs
heat damage

Representative discussions

Every summary links back to the source discussion.

Mixedr/HaircareScience · 24 points

The discussion questions the benefit of using bond-building products like Olaplex on healthy, undamaged hair, with some users finding it unnecessary and others experiencing benefits.

Open source →
Neutralr/HaircareScience · 30 points

The Olaplex No. 4C Bond Maintenance Deep Clean Clarifying Shampoo is questioned for its clarifying properties due to the lack of strong surfactants in its ingredients.

Open source →
Neutralr/HaircareScience · 29 points

The discussion compares the effectiveness of different bond-building products, including Olaplex and K18, with some users finding that citric acid products may not be as effective for heat damage.

Open source →
View 1 more source-linked discussion
Neutralr/HaircareScience · 6 points

Some users find that using a clarifying shampoo before Olaplex No. 3 is necessary to remove buildup and allow the product to penetrate the hair.

Open source →