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Cleanse and reinforce delicate strands with Olaplex No.4 Fine Bond Maintenance Shampoo — a featherlight version of the cult-favourite No.4 formula, re-engineered for fine or easily weighed-down hair.
Powered by Olaplex Bond Building Technology™, it works deep within the hair fibre to repair broken bonds caused by colouring, heat styling and daily wear, restoring strength and elasticity without heaviness. Unlike traditional strengthening shampoos that can leave fine hair flat or coated, this formula delivers weightless moisture, lifting the roots while protecting against frizz, breakage and humidity.
The result? Cleaner, stronger, fuller-looking hair with long-lasting smoothness and amplified natural body.
Perfect for daily use and safe for colour-treated hair, keratin-treated hair and chemically processed hair.