Olaplex No.4FINE Bond Maintenance Shampoo Liter 33.8 oz

Boost volume, softness, and shine without weighing your hair down with Olaplex No.4FINE Bond Maintenance Shampoo Liter 33.8 oz, a professional salon size shampoo specially designed for fine and fragile hair textures. Powered by patented OLAPLEX Bond Building Technology™, this lightweight volumising shampoo helps repair everyday damage while strengthening weak strands, improving bounce, and maintaining healthy looking shine in just one wash. 

Unlike heavier repair shampoos that can flatten fine hair, No.4FINE was specifically reformulated to provide lightweight hydration and bond repair while maintaining movement and root lift. The sulfate free formula gently cleanses buildup, excess oil, and daily impurities while helping hair feel fuller, softer, and more resilient over time.

Specially developed for fine to medium hair textures, the formula combines volumising support with Olaplex’s signature bond repair technology to strengthen fragile hair weakened by coloring, bleaching, heat styling, environmental stress, and daily brushing. Many reviewers especially praise how clean, airy, and bouncy their hair feels after use compared to richer repair shampoos.

The large 33.8 oz liter bottle is ideal for regular users, salons, or anyone wanting long term value from their haircare routine.

Key Benefits

• Lightweight volumising shampoo for fine hair
• Helps strengthen damaged and fragile strands
• Boosts body, movement, and shine
• Cleanses without flattening the hair
• Powered by patented OLAPLEX Bond Building Technology™
• Helps reduce breakage and everyday damage
• Sulfate free and color safe formula
• Suitable for chemically treated and bleached hair
• Leaves hair soft, airy, and manageable
• Professional salon size liter bottle

Why You’ll Love It

Unlike many volumising shampoos that can leave fine hair dry or tangled, Olaplex No.4FINE balances lightweight cleansing with hydration and molecular bond repair.

Reviewers at The Independent noted that their hair felt “light and fluffy” with visibly fuller roots after washing, while still remaining soft and manageable.

Beauty reviewers with fine hair also praised how the formula delivers softness and shine without the heaviness sometimes associated with traditional repair shampoos. One reviewer shared that their hair felt “clean, soft, and full of volume” after use.

For people with fine hair that has been damaged by bleaching, coloring, or heat styling, the added bond repair support makes it especially appealing because it strengthens while still maintaining natural bounce and movement.

Ingredients

Main ingredients include:

• Bis-Aminopropyl Diglycol Dimaleate (OLAPLEX Bond Building Technology™)
• Flexible Volumising Polymers
• Low Molecular Weight Hyaluronic Acid
• Hydra-Balancing Matrix
• Glycerin
• Conditioning Agents
• Lightweight Moisture Complexes
• Antioxidant Hair Conditioning Ingredients

These ingredients work together to repair damaged hair bonds, strengthen fragile strands, support lightweight hydration, improve softness, and enhance volume and shine.

How to Use

1. Apply onto wet hair and scalp
2. Massage gently to create a rich lather
3. Work through the lengths thoroughly
4. Rinse completely
5. Repeat if needed for additional cleansing
6. Follow with Olaplex No.5FINE Bond Maintenance Conditioner for best results

Who Is It Suitable For?

• Fine and flat hair
• Fragile or breakage prone hair
• Bleached and color treated hair
• Fine oily prone hair needing lightweight cleansing
• Heat damaged hair
• Straight, wavy, and fine curly hair

Frequently Asked Questions

What does Olaplex No.4FINE Shampoo do?

It helps cleanse, strengthen, volumise, and repair fine hair while improving softness, shine, and manageability.

How is No.4FINE different from the original No.4?

No.4FINE was specifically reformulated for fine hair textures using lighter conditioning ingredients to provide repair and hydration without heaviness.

Will it flatten fine hair?

No, the formula was designed to support root lift, movement, and airy volume while still delivering hydration and repair support.

Is it suitable for color treated hair?

Yes, the sulfate free formula is color safe and suitable for chemically treated or bleached hair.

Can it help with damaged hair?

Yes, the patented OLAPLEX Bond Building Technology™ helps repair weakened hair bonds caused by heat styling, coloring, and daily stress.