Aesthetics Supplies by Bertha in-store hour:

Monday - 10:00 am - 4:00 pm

Tuesday - Friday- 9:00 am - 3:00 pm



In person classes are back - Click on Classes



Upcoming Classes

           Classes are back - in person training


Brazilian Waxing Class

Monday, October 17, 2022 |  9:00 am - 1:00 pm

This Hands-on class will teach you what you need to know to provide professional Brazilian waxing service using hard wax and learning how to use your time sufficiently.  This class will not only show you how to wax in a time efficient manner, but will  also help you to double your clients in a timely manner. The class will also provide the information on how I to prepare clients for waxing and post treatment instructions.  This is a small class, so the instructor will be able to work one on one with each student. Must have aesthetic or cosmetology license 



In this class you will learn about:

  • Safety and Cleanliness
  • Proper Brazilian Etiquette
  • Techniques and Tricks
  • Do Brazilians within 15-20 mintues
  • What Waxes to use & why (soft vs. hard wax)
  • (The class will only use hard waxes) - Cream and Gel

Cirepil and Italwax products will be used.

Instructor: Glenda Porchas
Cost: $200.00, Class held: 1539 W. Elliot Rd., Suite 101 Gilbert, AZ 85233
A credit card is needed to hold a spot.  Online bookings will be charged at the time of booking.
To register, call 480-677-2400 or online booking.

Attendees will receive a Certificate
& SPECIAL DISCOUNT off Wax and Accessories used in class.
No Refund after Oct. 7, 2022

Brow Lamination Class $290.00   

Monday, October 17, 2022 |  9:00 am - 1:00 pm

Learn how to do a brow lamination step by step with LashBomb Lamination Kit and receive a cetificate of completion.

Brow Lamination is a non-invasive procedure that helps to tame unruly brows, give them a fluffier, full and feathered look.  Help your clients achieve a fixed overall look to their brows.


Perfect for your clients that have inconsistent growth patterns, thinning or balding brows, brows that don't behave, and clients looking for a service that is not semi-permanent or permanent.  Brow Lamination can last your clients anywhere from 6-8 weeks depending per client.  These reasoning will be explained in class.  Along with contraindications and possible side effects.

In this class you will learn about:

  • Area set-up and product knowledge
  • Step by step brow lamination procedures
  • Fix overall shape of brows
  • Learn different brow lamination styles
  • Contraindications and side effects
  • At home care and tips for clients (Makeup or natural look)



Instructor: Glenda Porchas
Cost: 290.00
To register: call 480-677-2400 or book online.  Online bookings will be charged at the time of booking. 

Attendees will receive a Certificate, Training Manual, and LashBomb Lamination Kit.

No Refunds after  October 7, 2022.

Class Held: 1539 W. Elliot Rd., Suite 101, Gilbert AZ 85233


Brow Waxing and Tinting Class $150.00   

Monday, November 14, 2022 |  9:00 am - 1:00 pm

Brow Waxing and Tinting Class

This class will give you confidence on how to wax unruly eyebrows, from barely-there women’s too thick and curly men’s.  This class will also teach you how to trim, tweeze, shape, and tint or lighten, creating the perfect brow for your clients’ faces. The training manual will have all info covered in class, so you may refer back.  This class is a must for any esthetician who is already working in a spa or on their own. 

**** A MODEL IS NEEDED FOR: Brow wax, brow mapping/shaping, & tinting. 

**** YOUR MODEL MUST BE HERE BY 11:00 am or 12:00 pm (Model slot-time will be scheduled with you a week before class)

Instructor: Glenda Porchas
Cost: $150.00

Register: Book online or Call Aesthetics Supplies by Bertha at 480-677-2400.  When reserving a spot online, your credit card will be charged at the time of booking.  

Class Held: 1539 W. Elliot Rd. Suite 101, Gilbert AZ 85233
No Refunds  After November 4, 2022

A Certificate will be given after completion of the class.

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