Most shampoos for fine hair focus only on volume, leaving lengths feeling stripped, rough and vulnerable to breakage. Olaplex No.4 FINE Bond Maintenance Shampoo goes further, using bond-building science to gently cleanse while helping reinforce fragile strands from the inside out. The result is hair that feels cleaner, lighter and stronger, not dry or depleted.

Powered by OLAPLEX’s signature Bis-Aminopropyl Diglycol Dimaleate, this shampoo helps rebuild broken disulphide bonds caused by chemical services, heat styling and daily wear. A blend of hydrolysed quinoa, pea extract and rice bran extract supports softness, resilience and gloss, while sunflower and rosemary extracts provide antioxidant care to help defend against environmental stress. Panthenol and glycerin attract and retain moisture so fine hair feels hydrated yet never weighed down.

The formula lathers into a delicate, cushioning foam that spreads easily through the roots and lengths of fine hair. It rinses cleanly without residue, leaving the scalp fresh and comfortable and hair with a light, silky slip rather than a coated feel. Hair looks smoother, with a natural, healthy-looking shine and airy movement that lasts between washes.

Use regularly to help maintain bond integrity while keeping fine hair feeling light and full. For sensitised or chemically treated hair, alternate or pair with other OLAPLEX treatments to build a complete strengthening routine. Consistent use supports cumulative improvement in the feel and appearance of damaged, delicate strands.

OLAPLEX Bond Building Technology targets broken disulphide bonds to help improve the strength of damaged, processed hair.Lightweight, sulphate-free cleansing system lifts away excess oil and product build-up without stripping or roughening the cuticle.pH-balanced formula is designed to support the hair’s natural barrier, helping to preserve colour and reduce dryness.Advanced conditioning polymers provide slip and manageability tailored to fine hair, minimising heaviness while reducing static and frizz.

For maximum strengthening benefits, pair No.4 FINE Bond Maintenance Shampoo with OLAPLEX No.5 Bond Maintenance Conditioner or a lightweight OLAPLEX conditioner suited to fine hair. Integrate with OLAPLEX No.3 Hair Perfector and in-shower or leave-in treatments to build a cohesive bond-care system from cleanse to style.

A bond-building, weightless shampoo that helps fine, damaged hair feel stronger, cleaner and fuller without sacrificing softness.

Aqua/Water/Eau, Sodium Cocoyl Alaninate, Sodium Cocoyl Isethionate, Coco-Glucoside, Lauryl Glucoside, Propanediol, Cocamidopropyl Hydroxysultaine, Glycerin, Acrylates Copolymer, Polyquaternium-80, Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Chloride, Parfum/Fragrance, Coconut Acid, Cocamide MIPA, Guar Hydroxypropyltrimonium Chloride, Polyglyceryl-4 Caprate, Polyglyceryl-6 Caprylate, Polyimide-1, Chlorphenesin, Panthenol, Xanthan Gum, Polyquaternium-7, Cetrimonium Chloride, Ethylhexylglycerin, Oryza Sativa (Rice) Bran Extract, Hydrolyzed Quinoa, Trisodium Ethylenediamine Disuccinate, Sarcosine, Pisum Sativum (Pea) Seed Extract, Helianthus Annuus (Sunflower) Extract, Propylene Glycol, Sclerotium Gum, 1,2-Hexanediol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Tocopherol, Sodium Hydroxide, Algin, Sodium Hyaluronate, Sodium Benzoate, Benzyl Alcohol, Tetrasodium Glutamate Diacetate, Potassium Sorbate, Caesalpinia Spinosa Fruit Extract, Helianthus Annuus (Sunflower) Sprout Extract, Citric Acid, Hexyl Cinnamal, Limonene, Citral, Yellow 5 (CI 19140), Yellow 6 (CI 15985)

• Step 1. Thoroughly wet hair and scalp with warm water.
• Step 2. Dispense a small amount of shampoo into your palms and emulsify between hands.
• Step 3. Apply to the scalp first, massaging gently with fingertips to create a light lather.
• Step 4. Work the lather through mid-lengths and ends, adding a little water to boost foam if needed.
• Step 5. Rinse thoroughly until water runs clear, ensuring no product remains at the roots.
• Step 6. Repeat for a second cleanse if you use heavy styling products or go longer between washes, then follow with conditioner.

Pro Tips

• Focus the majority of the shampoo on the scalp and roots; allow the lather to cleanse lengths as it rinses through.
• Use lukewarm rather than hot water to help maintain moisture levels and reduce the risk of additional dryness.
• Gently squeeze out excess water before applying conditioner so conditioning agents can absorb more effectively.
• Incorporate an OLAPLEX treatment once or twice a week to complement the shampoo’s bond-maintenance benefits on highly damaged hair.