Olaplex No.4 Bond Maintenance Shampoo is a highly concentrated liquid shampoo for straight, wavy, curly, and coily hair. It is designed primarily for medium to coarse hair texture, suits all porosity levels, and is also safe for colour-treated or chemically processed hair. It can be incorporated into everyday washing.

Key Benefits

The shampoo strengthens bonds within the hair fibre, helps repair everyday damage, and supports hair resilience.

It gently cleanses without stripping hair of essential moisture. It replenishes hydration and increases softness. According to the manufacturer, clinically proven benefits also include increased shine, smoother hair, and reduced frizz.

You get a shampoo that combines gentle cleansing with care focused on strength, hydration, and a smoother hair appearance.

Ingredients

The formula is based on the patented ingredient Bis-Aminopropyl Diglycol Dimaleate. Other listed ingredients include biotin, sodium hyaluronate, and panthenol, sunflower, apricot, and argan oil, as well as extracts of banana, rosemary, and green tea.

• Vegan formula
• Dermatologically tested
• Free from SLS/SLES sulphates
• Free from phthalates and parabens
• Free from MIC/MIT preservatives
• Fragrance with grapefruit peel, sweetened mint, ginger, and sage

The formula is vegan, dermatologically tested, and free from the listed sulphates, phthalates, parabens, and MIC/MIT preservatives.

Use and Dosage

Before applying, spread and emulsify the shampoo in your palms. Apply to wet hair, lather thoroughly, and rinse. It can be used daily or at every regular hair wash.

After washing, the manufacturer recommends using Nº.5 Bond Maintenance™ Strengthening Conditioner or an OLAPLEX mask.

The concentrated formula simply needs to be emulsified in the palms before application and then thoroughly lathered on wet hair.

Packaging and Volume

• Volume: 1000 ml
• Form: highly concentrated liquid shampoo
• Average dose: 2.5 ml
• Yield: up to 400 applications

At an average dose of 2.5 ml, the one-litre bottle can last up to 400 uses.

About the Brand

The OLAPLEX brand was founded in 2014 and considers itself the original creator of the bond builder category. It has more than ten years of experience developing products focused on hair bonds. Its products undergo safety testing and comply with European Union cosmetic regulations.

OLAPLEX draws on more than a decade of experience developing hair care focused on bonds within the hair fibre.