K-Tip Extensions: What They Are and Who They're For When people ask about extensions, the conversation often starts with hand-tied wefts — but k-tip extensions are a completely different method, and for certain hair types and goals, they're actually the better choice. Here's everything you need to know. What Are K-Tip Extensions? K-tip extensions (short for keratin tip) are individual hair strands bonded to small sections of your natural hair using a keratin adhesive. A heate