Addendum Hair

Addendum Hair ADDENDUM was founded on the principles of supplying the industry with the absolute best hair value.

Addendum x Editorials
01/09/2026

Addendum x Editorials

You’ve met Aperol Spritz. Now meet Peach Bellini. Paired together they’re *chef’s kiss*
01/07/2026

You’ve met Aperol Spritz. Now meet Peach Bellini. Paired together they’re *chef’s kiss*

Aperol Spritz 🧡 A gorgeous and multi dimensional blend, Aperol Spritz lives between brown and red — reading copper in th...
01/06/2026

Aperol Spritz 🧡

A gorgeous and multi dimensional blend, Aperol Spritz lives between brown and red — reading copper in the light, grounded in a natural base.

Available in K-Tips, Wefts, and Tapes.

Questions on color matching or how many grams you need? Send us a DM 💌

Introducing: The Color Series. We’re going to walk through each of Addendum’s iconic colors, spending time in each one. ...
01/04/2026

Introducing: The Color Series. We’re going to walk through each of Addendum’s iconic colors, spending time in each one.

First up: Aperol Spritz 🧡

A gorgeous and multi dimensional blend, Aperol Spritz lives between brown and red — reading copper in the light, grounded in a natural base.

Available in K-Tips, Wefts, and Tapes.

Questions on color matching or how many grams you need? Send us a DM 💌

Meet the products that make Addendum what it is.Every extension, brush, and tool exists because it solves a real need. F...
12/31/2025

Meet the products that make Addendum what it is.

Every extension, brush, and tool exists because it solves a real need.

From K-Tips designed for seamless length to our viral Double Shot leave-in that actually delivers on performance and shine, these are the essentials built by people who understand hair from both sides of the chair.

Swipe to explore the Addendum family of products, and head to addendumhair.com to shop now.

[ hair extensions, luxury hair extensions, professional hair extensions, K-tip extensions, tape-in extensions, hand-tied wefts, virgin hair extensions, silicone-free hair, ethical hair extensions, salon-quality extensions, extension care, hair longevity, stylist-created hair products, hair tools, leave-in conditioner for extensions, extension brush ]

As we close out 2025 and head into a new year, we're excited to introduce you to a new wave of Addendum Hair. Whether yo...
12/23/2025

As we close out 2025 and head into a new year, we're excited to introduce you to a new wave of Addendum Hair. Whether you've been here for awhile and are a loyal customer, or are new here and eager to shop our products, we're honored to take this moment to begin to introduce you to Addendum's heart and soul.⁠
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Over the last few months, we've been spending time revisiting what Addendum Hair actually is, and what it isn't.⁠
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Addendum Hair exists to redefine what modern luxury means in haircare: not as status or pretension, but as integrity, longevity, and ease. Created by stylists and perfected for everyone, it bridges professional artistry with everyday confidence.⁠
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From premium extensions to intricate color blends, we set the standard for luxury hair. Our purpose is to protect and enhance what hair represents: identity, expression, and self-assurance. Each strand, brush, and tool is designed to perform beautifully in real life, proving that true luxury lives in products that last, blend naturally, and honor the craft behind them.⁠
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At its heart, Addendum is built from years behind the chair, created for those who want luxury without pretension, performance without compromise, and beauty that lasts far beyond the salon chair.⁠
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This is the new standard of professional-grade hair, elevated for real life.⁠
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Does this resonate with you? What do you stand for? We want to understand what matters to you so Addendum can deliver not just quality, but meaning that aligns with your values.⁠
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A little luxury for every day with Addendum Double Shot Leave-In Conditioner 🤎 Perfect for your salon or as the ideal ad...
12/12/2025

A little luxury for every day with Addendum Double Shot Leave-In Conditioner 🤎 Perfect for your salon or as the ideal addition to your haircare-obsessed friend’s stocking this holiday season.⁠
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Hydration, protection, and seamless blending, all in one bottle.⁠
Get yours at www.addendumhair.com

Your (early) weekend hair essentials 🤎⁠⁠The Double Shot The Leave-In Cocktail⁠Strong enough to protect extensions, gentl...
12/11/2025

Your (early) weekend hair essentials 🤎⁠
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The Double Shot The Leave-In Cocktail⁠
Strong enough to protect extensions, gentle enough for everyday use.⁠
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Pair it with THE PROOF Brush Set, our premium Dry & Wet duo designed for seamless detangling, added shine, and zero snagging on extensions. One set, two essentials, made to keep every strand polished and protected.⁠
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Treat yourself (or someone you love) to routine-changing essentials at www.addendumhair.com 🤎

12/10/2025

designed with professional stylists in mind: higher density, silicone-free, and overall double-drawn wefts that deliver maximum longevity and unmatched blending. ⁠
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Luxury redefined: integrity, longevity, and ease in every strand.⁠

🤎 Restock your salon now at www.addendumhair.com

12/04/2025

Hydration, protection, and seamless blending, all in one bottle.⁠
🤎 Loved by stylists, adored by hair enthusiasts.⁠
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Get yours today at www.addendumhair.com

Address

12853 El Camino Real, Unit 104
San Diego, CA
92130

Telephone

+18583061792

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