Cosa Lengths Extension Certification

Master the art of luxury hair extensions with the Cosa Lengths Extension Certification. Designed exclusively for licensed stylists and current cosmetology students, this hands-on course teaches the complete Cosa Method for both Sew-In Wefts and K-Tip Extensions, giving you the confidence to create seamless, customized transformations for every client.

From consultation to installation, blending, maintenance, and safe removal, you’ll learn the techniques, systems, and attention to detail behind every Cosa Lengths appointment.

CLASS DETAILS

Date: November 2, 2026
Time: 10:00 AM – 4:00 PM
Location: Tampa’s Beauty Lounge
Address: 109 N Armenia Ave, Tampa, FL

Parking is available in front of the building, along the side of the building, and along N Armenia Ave.

Limited seating available. Your purchase reserves your seat for this certification.

WHAT’S INCLUDED

• Hands-on Sew-In Weft & K-Tip Extension Certification

• Luxury Cosa Education Kit

• Full extension tool kit

• Mannequin head/Tripod

• Practice hair for hands-on training

• Printed Cosa Lengths Education Manual

• Certificate of Completion

• Lunch provided during class

• $300 Cosa Lengths Hair Credit upon successful completion of the course

• Lifetime access to our online education platform and future course updates as they’re released

YOUR $300 COSA LENGTHS HAIR CREDIT

Upon successful completion of the certification, you’ll receive a $300 Cosa Lengths Hair Credit toward a future Cosa Lengths hair purchase of $500 or more.

Your credit:

• Is valid for one year from the date of certification

• May be combined with your Cosa Professional pricing

• Must be redeemed in full in a single transaction

• Applies exclusively to Cosa Lengths hair

• Is non-transferable and cannot be redeemed for cash

Additional redemption details will be provided after completing your certification.

WHAT YOU’LL LEARN

• Client consultations and personalized extension planning

• Color matching and extension selection

• Sew-In Weft installation

• K-Tip installation

• Blending and precision cutting

• Maintenance appointments

• Safe Sew-In Weft removal

• Safe K-Tip removal

• Aftercare recommendations

• Pricing strategies and building a profitable extension business

• Cosa’s signature techniques for creating seamless, natural-looking results

WHAT TO BRING

Your Cosa Education Kit, mannequin head, extension tools, practice hair, and class materials will be provided.

Please bring:

• Hair brush

• Hair-cutting shears

• Cutting comb

• Any personal extension tools you prefer working with (optional)

LUNCH

Lunch will be provided during the certification.

If you have food allergies or dietary restrictions, please email hello@cosalengths.com after registering. Include your name, that you are attending the November 2 Extension Certification, and any allergies or dietary restrictions we should be aware of.

We will do our best to plan accordingly; however, we cannot guarantee that every allergy or dietary restriction can be accommodated. Students are welcome to bring their own food if preferred.

CANCELLATION & TRANSFER POLICY

Due to the hands-on nature of this course, limited seating, and materials prepared for each student, all certification purchases are non-refundable.

Registrations may be transferred to a future Cosa Lengths certification with at least 14 days’ notice. Within 14 days of the scheduled certification, tuition cannot be refunded or transferred to a future class.

If you are unable to attend, your seat may be transferred to another eligible licensed stylist or cosmetology student with advance notice and approval from Cosa Lengths.

PROFESSIONAL ELIGIBILITY

This certification is exclusively available to licensed beauty professionals and current cosmetology students.

An approved Cosa Lengths Professional account is required to purchase this certification.

Questions about the class? Contact us at hello@cosalengths.com.

Whether you’re adding extensions to your service menu or refining your existing skills, you’ll leave with the knowledge, confidence, and support to deliver elevated extension services your clients will love.

Welcome to the Cosa Lengths community—where education meets luxury.