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Luxury Hair Extensions & Salon Academy

Your Hair,
but better.

Seamless Remy extensions for everyday confidence — plus professional training for salon teams who want to certify with SUNDAY.

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Salon professional? Explore SUNDAY Academy

  • Rated 4.9 by 5,000+ customers
  • 100% Remy Human Hair
  • 30-Day Returns
Delivery Returns Shade Finder Courses Get Certified Guide FAQs Contact
100% Remy Human Hair Ethically Sourced Salon-Quality Thick & Full Invisible Blend Heat Safe Long-Lasting Wear

SUNDAY’s Best Sellers

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The SUNDAY standard

Shop, learn, and certify

Luxury extensions for clients, professional training for salons — one brand built on Remy quality, honest guidance, and support that respects your time.

SUNDAY Academy

Six courses with modules, quizzes, photo submissions, and verifiable certificates — start with a free intro, then certify in your method.

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Hair guide

Remy hair, colour matching, wash-day routine, and when to refresh your set — written for real routines, not jargon.

Read the guide

Brand & values

Why SUNDAY exists, how we think about sourcing and quality, and what luxury means on the days in between events.

Our story

Help & policies

Shipping, returns, and the questions we hear first — so you are never guessing before you buy.

FAQs

Hair Extensions

Invisible.
Weightless.
Undeniable.

Crafted from 100% Remy human hair for a flawless blend that moves like your own.

  • No Tangling
  • Salon-Quality
    Thickness
  • Heat Safe
  • Long-Lasting
    Wear
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Full hair guide: choose, care, and extend life

Back view of long honey blonde hair extensions on a model; warm peach-beige studio backdrop

Real Results. Real Confidence.

Before and after blonde hair extensions
Before and after brunette hair extensions
Before and after balayage hair extensions
Before and after chestnut hair extensions

Shop Real Results on Instagram

SUNDAY tape-in hair extension swatches from blonde to black with a branded hair care card on a wooden surface

Find your
perfect match.

Upload a photo in natural light — our Shade Finder analyses tone and depth right in your browser, then recommends SUNDAY shades and extension formats that blend like your own hair.

Open Shade Finder

#SUNDAYHAIRCO

Sunday Shorts

Watch our community wear, style, and live in SUNDAY hair. Tap any reel to open it on Instagram.

Follow @sundayhair_co on Instagram

SUNDAY premium hair extension boxes with Joico K-Pak Color Therapy shampoo and conditioner on a wooden tray

Haircare

Your haircare,
elevated.

Lightweight. Nourishing. Effortless.
Joico care and Alfa Italia styling tools — shampoos, conditioners, treatments, and salon tools for extension-safe routines.

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Haircare & styling

Pair your hair, perfectly.

The finishing touches that make all the difference — gentle shampoos, nourishing conditioners, heat protection, and professional tools to keep your extensions looking salon-fresh between visits.

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Community

#SUNDAYHAIRCO

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SUNDAY Academy

Train like the pros

Modular certification for salon teams — tape-in, Genius Weft, halo, colour, and business skills. CPD tracked, practical assessment, verifiable certificates.

6Courses
33CPD hours
3Certifications
FreeIntro course
Browse courses Get certified Register your salon

Featured courses

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