<p><strong>What it is: </strong>A hair-strengthening, frizz-control kit that features four must-have haircare products from OLAPLEX to keep hair frizz-free, sleek and strong.</p><p><strong>Set includes</strong>:</p><p>- No.3 Hair Perfector™ (1 oz.): a concentrated hair treatment that strengthens hair from within, helping to reduce breakage and improving look and feel</p><p>- No.9 Bond Protector Nourishing Hair Serum (0.68 oz.): a weightless, silicone-free, leave-in hair serum that shields strands from pollution for 48 hours and provides heat protection up to 450°F</p><p>- No. 6 Bond Smoother® (3.3 oz.): a bond smoother that hydrates and provides 72-hour frizz control, faster blow-dries and more defined air-dries</p><p>- No. 7 Bonding Oil™ (0.25 oz.): an oil that delivers dramatic shine at the finish line</p>