rabbit.reviews
Best for Damaged Hair

Olaplex Shampoo (No. 4)

Reddit's go-to for chemically damaged or color-treated hair, with users reporting hair that feels genuinely repaired after consistent use. A true cult product.

$28-$32
Amazon
Pros
  • Specifically formulated to repair bond damage from bleach and color
  • Cult-level loyalty among Reddit's beauty communities
  • Works well as part of the full Olaplex system or standalone
  • Widely praised for making damaged hair feel genuinely healthier
Cons
  • Premium price point, especially for regular use
  • Less effective on hair that isn't chemically processed
  • Some users find it too heavy for fine hair
Why we recommend it

If your hair has been through bleach, heat, or color damage, Olaplex No. 4 is the one people keep coming back to — it's the benchmark everything else gets compared against.

Sources
reddit.comWhat is your shampoo and conditioner holy grail? r/Sephora
Reddit user

“I've tried TONS of options and I always end up using Olaplex.”

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