Olaplex fans, visit Amazon for a rare price cut. The Olaplex No. 4 Bond Maintenance Shampoo and No. 4C Bond Maintenance Clarifying Shampoo are both on sale for $24. These bottles retail for $30.
Checking out with Amazon Subscribe & Save will get you an additional discount of up to 5% off. It's easy to cancel Amazon subscriptions, too. Pay as low as $22.80.