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FAQ
General
Addendum Hair is made from premium, ethically sourced human hair for a natural look, feel, and long-lasting quality.
With proper care and maintenance, Addendum Hair can last several months. Longevity depends on wear, care routine, and styling habits.
Addendum Hair is available in multiple lengths between 18"-24" depending on the collection. Please refer to individual product details for specific length options.
Redefined Wefts:
Our Redefined Wefts are created using a groundbreaking manufacturing process that blends advanced machining with traditional hand-tied techniques. The result is one of the lightest, most comfortable wefts on the market.
Each weft contains approximately 20–25g of double-drawn hair, measures 12 inches wide, and can be cut anywhere along the band without risk of shedding or unraveling which make them our most customizable option. They are also manufactured with no return hair (no mustache) for added comfort.
Classics Wefts:
Our Classic Wefts feature designated cut-points that make customization simple. Stylists can trim the weft outside these cut-points, allowing any excess strands to shed up to the cut-point and reducing the overall width as needed.
These remain the lightest feeling traditional hand-tied wefts available today. Each weft is sold individually and weighs approximately 20 grams.
Weft move up appointments are typically required every 6–10 weeks depending on growth and placement for wefts.
Yes. Addendum extensions are designed for easy customization, including cutting, blending, and styling to suit individual needs.
Yes. If the item you need is not currently in stock, you may place a pre-order. Please note that all custom or pre-orders require a minimum order.
For more details visit: Pre-Order Page
Redefined Wefts
Available Lengths: 18", 22” and 24"
Weft Width: 12”
Weft Weight: 20-25 grams
Customization: Redefined wefts can be cut anywhere
Our Redefined Wefts are created using a groundbreaking manufacturing process that blends advanced machining with traditional hand-tied techniques. The result is one of the lightest, most comfortable wefts on the market.
Each weft contains approximately 20–25g of double-drawn hair, measures 12 inches wide, and can be cut anywhere along the band without risk of shedding or unraveling which make them our most customizable option. They are also manufactured with no return hair (no mustache) for added comfort.
• Add fullness to fine/medium hair: 2-3 wefts
• Add fullness to thick hair: 3-4 wefts
• Add length & fullness to fine to medium hair: 4-6 wefts
• Add length & fullness to thick hair: 7-9 wefts
Classic Wefts
Available Lengths: 18” and 22”
Weft Width: 12”
Weft Weight: 20 grams
Customization: Classic wefts have to be cut on specific cut points for the wefts to not unravel.
Our Classic Wefts feature designated cut-points that make customization simple. Stylists can trim the weft outside these cut-points, allowing any excess strands to shed up to the cut-point and reducing the overall width as needed.
These remain the lightest feeling traditional hand-tied wefts available today. Each weft is sold individually and weighs approximately 20 grams.
• To add fullness for fine to medium hair: 2-4 wefts
• To add fullness for thick hair: 4-6 wefts
• To add length and fullness for fine to medium hair: 6-8 wefts
• To add length and fullness for thick hair: 10-12 wefts
K-TIPS
Available Lengths: 18” and 22”
Bundle Pieces: 25 pieces of 0.5 grams each
Addendum Hair K-Tips are pre-cut for zero prep time each bundle contains 25 pieces of 0.5 grams each, designed to create seamless bonds for flawless, natural-looking results. Ideal for hybrid installations, allowing for versatile, customized extension looks.
• For fullness in the front corners: 1-2 bundles
• For fullness in fine/medium hair: 4-6 bundles
• For fullness in thick hair: 6-8 bundles
• For length & fullness in fine/medium hair: 8-12 bundles
• For length and fullness in thick hair: 12-14 bundles
They are designed for long-term wear, lasting 3–4 months depending on hair type and lifestyle.
K-Tips are a single-wear extension method due to the nature of their keratin bond, ensuring each installation is pristine and secure.
Tape Ins
Length: 22"
Width: 12"
Weft Weight: 30 grams
Redefined Tape is unlike any other tape you’ve encountered. Its unique qualities set it apart.
Approximately 30 grams of double drawn hair, 12 inches wide, and can be cut anywhere along the attachment without the risk of shedding or unraveling.
Designed with professional stylists in mind, Addendum Hair offers higher-density, silicone-free, double-drawn wefts. Sold per sheet to give you complete freedom in creating custom color blends.
Our Tape-Ins are 30 grams crafted from premium, ethically sourced human hair with ultra-thin, flexible bands that lay seamlessly against the scalp for an effortless, invisible blend.
Hybrid Application: Redefined Tape is a fantastic choice to combine with your wefts, especially in the delicate frontal areas where hair is most fragile. It provides added support and a natural look, ensuring the safety and integrity of your hair extensions.
Single or Double Sided: Versatile in application, Redefined Tape can be used either as a single or double-sided solution, catering to your unique styling preferences.
Brighter Money Pieces: Elevate your hairstyle by using Redefined Tape to create vibrant and eye-catching Money pieces, adding a touch of luxury to your look.
Efficiency and Customization: Say goodbye to time-consuming installations. With Redefined Tape, you can complete a full head of tapes in 30 minutes or less.
Our 12” sheets allow you to customize the size to your specific needs, ensuring a hassle-free and tailored experience.
Yes. Each set can be reused multiple times with proper removal, cleansing, and re-taping.
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