When it comes to effortless, glossy waves, Khloé Kardashian never misses. The reality star and Good American founder is known for her smooth, luminous locks that are camera-ready no matter the occasion. And lucky for Us, one of her shine-boosting favorites is now 25% off. According to InStyle, Kardashian uses the Olaplex No. 4C Clarifying Shampoo, which is a stylist-loved formula that deep cleans while protecting hair bonds.