Home / Compare / Olaplex No.3 Hair Perfector vs The Ordinary Multi-Peptide Serum for Hair

Olaplex No.3 Hair Perfector vs The Ordinary Multi-Peptide Serum for Hair

Detailed comparison of Olaplex No.3 Hair Perfector and The Ordinary Multi-Peptide Serum for Hair. Compare specs, price, pros & cons to find which is best for you.

Quick Verdict

The Olaplex No.3 Hair Perfector leads with a 4.5★ rating (45,200 reviews). Its standout strength: repairs broken bonds. The The Ordinary Multi-Peptide Serum for Hair counters with affordable hair growth serum. Price difference: £10.5.

Full Spec Comparison

Olaplex

Olaplex No.3 Hair Perfector

£28Best Pick
VS
The Ordinary

The Ordinary Multi-Peptide Serum for Hair

£17.5
Rating
★★★★4.5
★★★★4.2
Reviews
45,200
15,600
Brand
Olaplex
The Ordinary
size
100ml
60ml
type
Pre-shampoo treatment
Scalp serum
active
Bis-Aminopropyl Diglycol Dimaleate
Peptides, Caffeine, Biotin
frequency
1-2x per week
Daily application
hair_type
All (especially damaged)
Thinning/Fine
Pros
Repairs broken bondsSalon-level resultsWorks on all hair types
Affordable hair growth serumScience-backed ingredientsEasy to apply
Cons
Expensive per useTakes time to see results
Slow results (3+ months)Makes hair greasy if overused

View Deals

AI RecommendedTop Rated-7%
OlaplexAI VerifiedAI Verified

Olaplex No.3 Hair Perfector

★★★★½4.5(45,200 reviews)
from£28RRP £30Save £22 retailers

Repairs broken bonds

size100ml
typePre-shampoo treatment
activeBis-Aminopropyl Diglycol Dimaleate
Repairs broken bondsSalon-level results
Expensive per use
Affiliate link
The OrdinaryAI VerifiedAI Verified

The Ordinary Multi-Peptide Serum for Hair

★★★★4.2(15,600 reviews)
from£17.5$19.8
size60ml
typeScalp serum
activePeptides, Caffeine, Biotin
Affordable hair growth serumScience-backed ingredients
Slow results (3+ months)
Affiliate link

Frequently Asked Questions

Which is better: Olaplex No.3 Hair Perfector or The Ordinary Multi-Peptide Serum for Hair?

The Olaplex No.3 Hair Perfector edges ahead with a 4.5★ rating vs 4.2★.Repairs broken bonds. However, the The Ordinary Multi-Peptide Serum for Hair wins on affordable hair growth serum. Your best choice depends on whether you prioritise damaged hair or thinning hair.

Is the Olaplex No.3 Hair Perfector worth it over the The Ordinary Multi-Peptide Serum for Hair?

The Olaplex No.3 Hair Perfector costs £28 while the The Ordinary Multi-Peptide Serum for Hair is £17.5. The The Ordinary Multi-Peptide Serum for Hair offers better value for money. Both are excellent for damaged hair and colour-treated.

Olaplex No.3 Hair Perfector vs The Ordinary Multi-Peptide Serum for Hair — which should I buy in 2026?

Choose the Olaplex No.3 Hair Perfector if you prioritise repairs broken bonds. Choose the The Ordinary Multi-Peptide Serum for Hair if you prioritise affordable hair growth serum. Both are top-rated in the hair-care category.

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