Olaplex No.4 Bond Maintenance Shampoo Jumbo 525ml kerasilk Leave on for 1–3 minutes

Leave on for 1–3 minutes to allow deep conditioning

Improves the effects of straighteners and/or curling wands

500ml refill pouch

which contains a concentrated bonding care complex that reinforces weakened bonds within your hair to improve hair strength

and hydrolysed silk extracts

Olaplex No.4 Bond Maintenance Shampoo Jumbo 525ml kerasilk Leave on for 1–3 minutesWant to know the secret to healthier looking locks? Cue OLAPLEX's No. 4 Bond Maintenance Shampoo (525ml). Working into a luxurious lather that gently washes away impurities, this colour safe hair hero deeply hydrates, moisturises and nourishes your mane. Powered by the brand's patented Bond Building Technology, it rebuilds the damaged bonds in your hair. Confused? Let us explain; in short, this cleanser works to strengthen tresses, prevent breakage