VerdictAI
#5 in Best Hair Oils

Moroccanoil Treatment Purple Hair Oil for Blonde Hair

Best for

Best for brassy / blonde hair

Amazon rating

★★★★★4.7(2,756)

Amazon aggregate, one input among many in the Verdict Score

Verdict scoreGood
76/ 100

Based on 1 trusted source

Current price

$38.00

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Updated May 18, 2026 · 1 min read

Moroccanoil Treatment Purple Hair Oil for Blonde Hair

Sources behind this verdict

10 reviewers weighted by source trust

Methodology →

The consensus

What reviewers found

Synthesized across the trust-weighted source mix below.

Across the reviewers we read, the Purple Treatment is Moroccanoil's most narrowly useful product - and within that niche, it earns its keep. Sephora and lovelyskin.com verified-purchase reviewers consistently report visible brassiness reduction in a single use, plus the softness and shine the classic Moroccanoil Treatment is known for. adorebeauty.com.au and reallyree.com both frame it as effective at neutralizing yellow tones in blonde, highlighted and silver hair.

What reviewers liked

  • Verified-purchase reviewers consistently report visible brassiness reduction
  • Doubles as a finishing oil - softness and shine are still part of the package
  • 4.7 across 2,700+ Amazon reviews specific to this variant
  • Recognizable, widely-stocked premium brand

Where it falls short

  • Two r/HaircareScience (high-trust) threads flag the underlying Moroccanoil formula as silicone-heavy and potentially drying over time
  • r/Sephora commenter describes the texture as sticky and heavy
  • Niche use case - if you're not blonde, the regular Treatment makes more sense
  • At $38 for 0.85 fl oz, expensive per ounce

Across the reviews

Synthesis · not our verdict

Across the reviewers we read, the Purple Treatment is Moroccanoil's most narrowly useful product - and within that niche, it earns its keep. Sephora and lovelyskin.com verified-purchase reviewers consistently report visible brassiness reduction in a single use, plus the softness and shine the classic Moroccanoil Treatment is known for. adorebeauty.com.au and reallyree.com both frame it as effective at neutralizing yellow tones in blonde, highlighted and silver hair.

The high-trust community signal is more skeptical of the broader Moroccanoil formula family. Two separate r/HaircareScience threads in the data call out that Moroccanoil oils are largely silicone-based - one commenter says it feels great at first but with overuse turned her hair to 'crispy straw,' another reports next-day frizz and dryness. r/Sephora has a similar 'sticky and heavy' complaint. These are the kinds of pain points that don't show up in a single-session retailer review but do show up in long-term use. So while the toning benefit is real, treating it as a daily oil rather than a targeted treatment is where reviewers get burned.

Net: a strong specialty pick for blondes managing brass, but not the right oil to use every day on every hair type.

Key specs

Source: Amazon listing
Neutralizes brassiness over time, smooths frizz, boosts shine, and protects against thermal damage.**

What customers say

2 verified voices
Their treatment oil is “meh” at best. It goes on beautifully, but then it's like “sticky” and “heavy” like. I wanted to like this oil so bad, but no!
Supportingvia r/Sephora
I adore this product specifically as a leave-in conditioner and detangler on sopping wet hair, and then let it air-dry (or diffuse on cool). I ...
Supportingvia r/finehair

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Video review

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Moroccanoil Treatment Purple” · YouTube

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