Keratin Bond Extensions – Invisible Install (Lasts 4–6 Months) This premium extension method offers an invisible install that blends seamlessly with your natural hair, no matter how you part it. Each strand is custom density-matched to your hair, making it ideal for fine or thinning textures. The keratin bonds are ultra-lightweight, ensuring comfortable wear and proper weight distribution to protect the integrity of your hair. The extensions are reusable and with proper care, can last 4 to 6 months. This meticulous installation takes approximately six hours, delivering a natural, undetectable finish that moves and feels like your own hair.