Olaplex No. 3 Bond Building Hair Perfector — 100 mL Pre‑Shampoo Treatment, Repairs & Strengthens Hair

Olaplex No. 3 Bond Building Hair Perfector is a concentrated at‑home pre‑shampoo treatment that rebuilds broken hair bonds to improve strength and reduce breakage.

Designed to bring salon-grade bond building into your routine, Olaplex No. 3 uses the same patented active ingredient found in professional Olaplex products to relink damaged disulfide bonds. It’s formulated to work on all hair textures — coily, curly, straight and wavy — and is free from parabens, sulfates and phthalates. Use it before shampooing to help restore resilience, improve manageability and visibly smooth hair over time.

How quickly will I notice results with Olaplex No. 3?

Some users observe improved strength and easier detangling after a single application, especially when used with Olaplex’s recommended system. Visible changes like reduced breakage and smoother texture tend to develop over repeated use as bonds are rebuilt from within.

• Clinically shown to strengthen hair after one use when paired with Nº4 shampoo.
• Can be left on from 3 minutes to longer for deeper repair.
• Best results when used regularly as part of a bond‑building regimen.

How do I apply this pre‑shampoo treatment for best effect?

Apply No. 3 to damp, towel‑dried hair, saturating each section from roots to ends, and comb through to distribute evenly. Leave it on for at least 3 minutes; for more intensive repair allow longer, then shampoo and condition as usual.

• Use on damp, towel‑dried hair for even coverage.
• Comb or finger‑detangle to spread product through strands.
• Rinse and follow with your regular shampoo and conditioner.

What types of hair damage does No. 3 address?

No. 3 targets structural damage caused by chemical processing, heat styling and mechanical stress by reconnecting broken bonds at a molecular level. It supports stronger hair fiber integrity so strands resist snapping and feel smoother with improved texture.

• Rebuilds three primary hair bonds responsible for strength.
• Helps reduce future breakage from styling and chemical services.
• Suitable for natural, color‑treated, and chemically processed hair.

Are there notable ingredients and safety considerations?

The formula centers on Olaplex’s patented Bis‑Aminopropyl Diglycol Dimaleate — the active bond building ingredient — alongside conditioning agents like panthenol, jojoba and sweet almond oil. The product is vegan, cruelty‑free and formulated without parabens, sulfates or phthalates, though users with fragrance sensitivities should note it contains fragrance.

• Key actives: Bis‑Aminopropyl Diglycol Dimaleate, panthenol, vitamin E, jojoba oil.
• Free from parabens, sulfates and phthalates; cruelty‑free and nut‑free.
• Contains fragrance and preservative system; perform patch test if sensitive.

Who is this for: Olaplex No. 3 is aimed at anyone wanting to strengthen and repair hair from the inside out — from those recovering after color, bleaching or heat styling to people seeking improved resilience and smoother texture. It works across all hair patterns (coily, curly, wavy, straight) and is ideal for users who prefer an at‑home treatment that complements salon services and a regular maintenance routine.

Ingredients

Water (Aqua/Eau), Bis-Aminopropyl Diglycol Dimaleate, Propylene Glycol, Cetearyl Alcohol, Behentrimonium Methosulfate, Cetyl Alcohol, Phenoxyethanol, Glycerin, Hydroxyethyl Ethylcellulose, Stearamidopropyl Dimethylamine , Quaternium-91, Sodium Benzoate, Cetrimonium Methosulfate, Cetrimonium Chloride, Fragrance (Parfum), Polyquaternium-37, Tetrasodium EDTA, Benzyl Benzoate, Etidronic Acid, Ascorbic Acid, Phytantriol, Tocopheryl Acetate, Aloe Barbadensis Leaf Juice, Panthenol, Simmondsia Chinensis (Jojoba) Seed Oil, Citric Acid, Potassium Sorbate