Getting your Great Lengths application machine and getting certified is all you need to kick off your professional hair extension business. Our certification course is broken down into two sections (AU only):
This certification course is as rigorous as it is rewarding. To learn in detail what is required during certification, click here (AU only).
In order to become certified, you must already have an account with us. If you need to open an account, click here (AU only).
For Hong Kong and Singaporean enquiries, kindly fill out this form and we’ll be in contact for the next steps.
To reserve your spot in any of our courses, please call Customer Service at (02) 9935 6900, available Monday through Friday 10 AM – 4 PM AEST (AU only).
Auckland classes are one day only, with a theory component to be completed prior to this day. Bookings are essential two weeks before the class date.
| Date | Booking Deadline | |
|---|---|---|
| June 21 & 22 | 9th June | Book Now |
| August 2 & 3 | 21st July | Book Now |
| September 13 & 14 | 1st September | Book Now |
| October 25 & 26 | 13th October | Book Now |
| Date | Booking Deadline | |
|---|---|---|
| June 14 & 15 | 28th May | Book Now |
| August 30 & 31 | 13th August | Book Now |
| October 25 & 26 | 8th October | Book Now |
| Date | Booking Deadline | |
|---|---|---|
| June 7 & 8 | 29th May | Book Now |
| August 2 & 3 | 24th July | Book Now |
| October 18 & 19 | 1st October | Book Now |
| Date | Booking Deadline | |
|---|---|---|
| June 21 & 22 | 9th June | Book Now |
| August 16 & 17 | 4th August | Book Now |
| October 18 & 19 | 6th October | Book Now |
| Date | Booking Deadline | |
|---|---|---|
| June 15 | 8th June | Contact your Business Development Manager |
| August 17 | 27th July | Contact your Business Development Manager |
| October 19 | 12th October | Contact your Business Development Manager |
| Date | Booking Deadline | |
|---|---|---|
| May 29 & 30 | 15th May | Book Now |
Mastering Great Lengths Weft Linea is the ultimate shortcut to premium results and immediate salon growth.
The GL Weft Linea Certification is an intensive, one-day immersion. Designed for the stylist who demands precision, efficiency, and immediate profitability.
| Date | |
|---|---|
| May 18th | Book Now |
| Date | |
|---|---|
| May 25th | Book Now |
| Date | |
|---|---|
| June 1st | Book Now |
| Date | |
|---|---|
| June 15th | Book Now |
Take your Great Lengths expertise to the next level with our advanced education events. These exclusive sessions are designed for certified stylists looking to refine their craft, learn new techniques, and connect with the Great Lengths community.
Location: Sydney
Join Pete Thomsen, Kirby Lago, Naomi Panizza & Rachel Vitullo for an exclusive Great Lengths session at Hair Festival 2026. Learn advanced techniques, see live demonstrations, and connect with leading extension specialists.
Location: The Rees Hotel, Queenstown, New Zealand
An immersive three-day retreat at the stunning Rees Hotel in Queenstown. Three days of advanced education, creative workshops, and networking with Great Lengths artists from across Australia and New Zealand.
Ticket Price: $1,195
