Density
Elevated fullness with a soft finish when the foundation can carry it.
Sew-in method
Sew-in extensions for polished density.
Row construction for elevated fullness when your natural hair can support it — chosen after photos, not as a default.
Row constructionMove-up as hair growsPhotos decide
When sew-in is the better path
This URL is the sew-in construction guide — not the citywide hub, not the K-Tip service page, and not a price table. Sew-in is row construction: wefts are secured along a braided or tracked foundation so the result can carry more density than individual keratin bonds when the hair you start with can hold that weight.
We recommend sew-in when daylight photos show that elevated fullness is the goal and the foundation can support rows. We do not assign sew-in from a quiz, and we do not treat it as “the luxury upgrade.” Photos decide. If strand-by-strand is quieter for your hair, that path lives on K-Tip method and the NYC keratin-bond service on K-Tip extensions NYC.
How sew-in differs from K-Tip
K-Tip is individual keratin-bond placement. Wear is typically about 10–14 weeks, then professional removal + reinstall / correction — not a sew-in move-up. Sew-in is a line of hair. As your own hair grows, the row sits lower and usually needs a move-up about 8–12 weeks. That calendar is not a guarantee. Growth, aftercare, and how you wear the hair change the window.
Side-by-side construction (without selling either method) is on K-Tip vs sew-in.
Security
Rows built for your head shape and day-to-day styling — not a one-size weft map.
Move-up
Sew-in rows typically need a move-up ~8–12 weeks as natural hair grows.
Price and consult
Published starting installs for 20" are Natural from $1,000 · Double from $1,400 · Triple from $1,700, hair + installation included. A $100 deposit holds the visit and is credited to the service. The photo consult is free. Final grams and construction are quoted after photos — we do not publish a sew-in-only package list.
All-methods from-$ stays on pricing. Keratin-bond cost detail stays on K-Tip price NYC.