Nº.4 Bond Maintenance Shampoo by Olaplex is a concentrated, high-performance cleanser created to strengthen hair while maintaining essential moisture with every wash. This richly lathering formula gently yet thoroughly cleanses the scalp and hair without stripping, leaving strands feeling smoother, softer, and easier to manage. Designed for all hair types, including color-treated hair, it helps support stronger-looking hair by reducing the appearance of breakage while improving overall texture and shine. With continued use, hair appears healthier, more resilient, and better conditioned, making it an ideal choice for daily cleansing or anytime hair needs gentle care with visible strengthening benefits.
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