Keratin Bond Hair Extensions Wholesale: A Buyer's Guide for Salons and Brands

What are keratin bond hair extensions, and who buys them wholesale?

Keratin bond hair extensions are small strands of human hair held together at the top by a tip of keratin, a protein-based bonding material. A trained stylist attaches each strand to a small section of the client's own hair, usually by softening the tip with a heat tool, so the extensions can be placed strand by strand.

Salons and extension specialists buy keratin strands wholesale to offer a strand-by-strand service in the colours and lengths their clients ask for. Extension brands buy them to sell under their own name, and distributors buy them to supply other salons. All of them need strands that match from one order to the next, because a client's service is often topped up with strands from a later batch.

Keratin strands are worn for weeks at a time close to the scalp, so the quality of the hair and the quality of the tip both matter. A strand that sheds at the bond or a tip that cracks costs a salon far more in client complaints than it saved on the order.

What specifications should you agree before ordering keratin extensions wholesale?

Agree every specification in the table below in writing before you ask for a final price. Suppliers use different defaults, so two quotes for "keratin extensions" can describe very different products.

Write the agreed specification into your order or invoice. If a later batch looks different, this document is what you compare it with.

How do K-tip, U-tip and I-tip extensions differ?

K-tip, U-tip and I-tip describe the shape of the tip at the top of each strand, and each shape suits a different application method. The names are not used the same way by every supplier, so ask for close-up photos and a sample of the exact tip you will receive.

If your stylists already use one system, send the supplier a strand or a clear photo of it and ask for a match. A change in tip size or keratin type halfway through a client's service is a common reason a salon rejects a new supplier.

How do keratin bonds compare with tape-in and nano-ring extensions?

Keratin bonds, tape-ins and nano rings can all use the same human hair; what changes is how the hair is attached, how long the application takes and how the extensions are removed. Many salons stock more than one method, so it helps to buy them with the same hair specification.

For tape-in extensions, read the separate guide on buying tape-in hair extensions wholesale.

How do you choose a keratin hair extensions supplier or manufacturer?

Choose a supplier you can verify and who controls the hair from sorting to packing. Search results for keratin extension suppliers are full of marketplace listings and copied profiles, so check every name on your shortlist before you pay.

1. Check the business details: company name, address, email and a working phone or WhatsApp number.
2. Ask who sorts, prepares, checks and packs the hair, and where the keratin tips are made.
3. Ask for a video call to see keratin strands from the current stock, including the ends and the tips.
4. Ask for real photos and videos in daylight, not only edited product photos.
5. Ask how the supplier handles a batch that does not match the agreed specification, and get the answer in writing.
6. Order samples before any bulk order, and keep part of each approved sample to compare with the delivery.

At AUCO HAIR, hair is sorted, prepared, checked and packed in Hiep Hoa, Bac Ninh, in Northern Vietnam, and the AUCO team handles each order directly, from specification to delivery.

For the full buying process for Vietnamese hair, including the questions to ask about raw, virgin and Remy hair, read the guide on how to buy Vietnamese hair wholesale.

How should you test keratin bond samples before a bulk order?

Test keratin samples on a real client or a training head, with the tools and settings your stylists already use, through a full cycle of wear, washing and removal. A strand that only looks good in its pack tells you very little.

• Application: does the tip soften evenly with your usual tool and hold firmly once it sets?
• Bond strength: pull gently on a few applied strands and check that no hair slides out of the tip.
• Washing: wash and condition the hair several times, then check for tangling, shedding at the tip and changes in colour.
• Brushing: brush from the ends upwards; Remy hair should not feel rough in one direction.
• Consistency: compare the size of the tips and the weight of several strands from the same pack.
• Removal: remove the strands with your usual remover and check how easily the keratin breaks down.
• Comparison: keep a few approved strands from the sample to compare with every bulk delivery.

What should a keratin extensions wholesale quote include?

A keratin quote should state the full specification of each item, so you can compare suppliers on the same product. Ask every supplier to cover these points in writing:

• Hair quality, drawn grade, texture, colour and length for each item.
• Tip type, strand weight, strands per pack and the total weight of each pack.
• Packaging, including any private label work.
• Shipping method and destination, and whether shipping is included in the price.
• Payment terms and the stages at which payment is due.
• Production and delivery timing for your specific order.
• What happens if the delivery does not match the approved sample.

Compare quotes on the price per pack of the same strand weight, strand count and specification. A quote far below the others usually means lighter strands, fewer strands per pack, a different drawn grade or a different hair quality.

How do you order keratin extensions wholesale from AUCO HAIR?

AUCO HAIR supplies keratin bond extensions in Vietnamese human hair to salons, extension brands and distributors. Tip type, strand weight and pack size are confirmed with each buyer.

1. Send the colours, lengths, tip type and estimated quantities you need.
2. Receive current wholesale information for your specification.
3. Order samples and test them with your stylists.
4. Confirm the specification in writing, including packaging and labels.
5. Production and quality control, checked against the AUCO Standard.
6. Delivery by the method agreed for your destination.

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• Wholesale Vietnamese human hair
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• How to buy Vietnamese hair wholesale