About Única
Luxury, personalization and a signature approach to beauty.
Beauty with Identity
Única Hair Extensions was created as a space where each client can experience personalized beauty services in an elegant and welcoming environment. Every detail is designed to support confidence, individuality and refined results.
Whether you seek a subtle brow correction, an executive haircut, or a complete hair length transformation, Única guarantees precision, safety, and natural elegance.
One Vision, One Journey
Revolutionizing hair extensions and aesthetic beauty through science, precision, and passion.
Charley Froz Castelo (Chay Castelo)
Origin: Porto de Moz, Pará (Brazil) • Soul Global Ambassador (2026)
Born in Porto de Moz, Brazil, Charley Castelo overcame early adversity and economic challenges to become an internationally recognized beauty specialist. Self-taught since 2009, he refined his craft at world-renowned academies across Europe and Brazil, pioneering the signature Chay Castelo Mega Hair Tela Technique. In 2026, he was named Global Ambassador for Soul.
“Persistence turns the impossible into global achievements. Every extension set is a signature of confidence.”
— Charley Castelo
Dr. Nirza García Valdés
Origin: Bayamo, Cuba • Fluent in 5 Languages
Graduating in Medicine in Havana (2014) and completing her specialization in General Surgery (2018), Dr. Nirza dedicated years to medical and humanitarian service across the Bolivian Amazon, Africa, and Guyana, where she served as a pioneer surgeon at the nation's principal hospital. Expanding into advanced aesthetic micropigmentation certified by the USA Beauty Angels Academy, she brings surgical precision, skin safety, and clinical rigor to Única.
“Combining medical science with advanced aesthetics delivers safety, clinical precision, and refined natural beauty.”
— Dr. Nirza García ValdésConforme divulgado na imprensa internacional
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética
Confira a reportagem em destaque na Forbes Latina sobre a trajetória da Dra. Nirza García Valdés e Charley Castelo, unindo ciência cirúrgica, estética avançada e a técnica exclusiva Mega Hair Tela.
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
“Una pareja, una visión: revolucionar el mundo del cabello y la belleza estética”
More Than a Service
At Única, beauty is not treated as a standard formula. Each experience is adapted to the client, from the initial consultation to the final result and maintenance guidance.
Our Values
The fundamental commitments guiding every client interaction.
Personalization
Every technique and formula is customized to your exact physical features and preferences.
Precision
Uncompromising attention to line symmetry, tension control, and application accuracy.
Care
Prioritizing hair structure preservation, skin safety, and post-service health.
Elegance
Sophisticated, understated beauty that radiates confidence without harsh exaggeration.
Confidence
Empowering every client to feel naturally beautiful and confident in their everyday life.
Exclusivity
Private consultation times and dedicated one-on-one attention during appointments.
Salon Experience
Located in Lusignan, East Coast Demerara, Única welcomes clients looking for professional hair, aesthetic and grooming services in a premium setting.
Salon Address
Lot 211, Lusignan, East Coast Demerara, Georgetown, Region 4, Guyana