The revolutionary professional treatment to repair, rebuild, and redefine natural curls in one good-for-hair service with frizz control that lasts up to 15 washes. This is a breakthrough for curls that works with natural curl patterns, not against them. Discover the first professional curl treatment with patented OLAPLEX Bond Shaping Technology – a proprietary peptide that penetrates deep into the cortex to strengthen, rebuild, and reform curl-shaping disulfide bonds, locking them into place for dramatically improved curls, shine, bounce, and moisture from the inside out after just one salon service. Easy application – no gloves, no heat required, and no chemical processing to keep an eye on. Just apply each step and let process in between. Step 1: 250mL Step 2: 180 mL Step 3: 100 mL Brand new, sealed, unopened. Authentic, I am a licensed cosmetologist. Each bottle purchased has a unique QR code. Scan the unique QR code on the bottle to verify authenticity. 3-5 buisness days shipping & handling