#4B (Neutral Cool Chocolate Brown) is built for professional keratin fusion installation. Each strand is tipped in flat, fused keratin and bonded to natural hair with a heat tool, not bead-secured like I-Tip extensions, giving a flat, discreet join. Visually, this shade reads as a refined, slightly cooler alternative to #4 with less warm reflect. #4B is the shade that does the selling for you. A refined, slightly cooler alternative to #4 with less warm reflect, finished with the kind of shine and movement that makes even a simple ponytail look editorial. Clients don't just wear it, they talk about it. Our Promise Every strand is 100% Remy human hair, cuticle intact and never acid-treated, silicone-free. Batch-checked for color consistency and backed by a zero-shedding guarantee, so pack-to-pack match is never a guessing game. Product Details K-Tip method: flat, keratin-tipped strands fused to natural hair with a professional heat tool — bonded, not beaded like I-Tip extensions Comes in packs of 25 strands, 1 gram per strand (25g total per pack) Available in 18", 20", 22" — custom lengths available upon request Made from 100% Cuticle Intact Remy Human Hair, silicone-free, double-drawn for thick, full ends Solid Shade: a single, even tone from root to tip, the cleanest option for a seamless natural blend or a bold single-process color Who It's For Best for clients who love the depth of Chocolate Brown but want a more neutral, less coppery finish. Why Stylists Choose This Shade Heat-fused for a strong, secure, low-profile bond No tapes or wefts — just a natural, seamless flow Perfect for adding both length and volume Care Tips Wait 48 hours before washing after installation Use sulfate-free shampoo and avoid oils at the roots Brush gently with a loop brush to protect the bonds Frequently Asked Questions Are #4B K-Tip hair extensions safe for hair?When applied and removed by a trained stylist, yes. K-Tip's heat-fused keratin bond causes minimal damage with proper maintenance. Can #4B K-Tip extensions handle heat styling?Yes, K-Tip's fused keratin bond holds up well to flat irons and curling wands. A heat protectant is recommended to keep both the hair and the bond in good condition. Do K-Tip extensions wear out after one use?No. Professionally removed and re-bonded, #4B K-Tip extensions can be reused across several install cycles since clean removal doesn't damage the Remy hair itself. Can #4B be colored after application?It's best to color-match before application. Dyeing K-Tip extensions after they're bonded can weaken the keratin tip and stress the bond, so match the shade going in rather than adjusting after. What does the #4B (Neutral Cool Chocolate Brown) shade look like?#4B is a refined, slightly cooler alternative to #4 with less warm reflect. It works best for clients who love the depth of Chocolate Brown but want a more neutral, less coppery finish.
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