A heat-activated styling oil that locks in your ideal hairstyle for hours — with a soft, glossy finish and no stiffness. HEAT LOCK TECHNOLOGY Proprietary thermally conductive formula transfers and dissipates heat quickly — inspired by professional hairstylist technique — to create and lock in curls or straight styles without stiffness. DAMAGE REPAIR Heat-protecting ingredients target damaged cuticles, smoothing and repairing them while shielding hair from humidity, dryness, and environmental stressors. 18 PHYTO-OILS Hydrophilic blend of 18 plant-derived oils including argan, jojoba, avocado, camellia, and meadowfoam deeply permeates hair for a soft, healthy, and glossy appearance. TWO TEXTURES Lock Oil — defined, wet-look finish ideal for bold curl definition or sleek straight styles. Lock Oil Light — airy, lightweight finish for nuanced styles and fine or delicate hair. FRAGRANCE Fruity floral scent. BEST FOR All hair types. Use before any heat styling tool — curling iron, flat iron, or blow dryer. Specifications Size 100ml Format Pre-heat styling oil Variants Lock Oil / Lock Oil Light Brand ReFa Origin Japan