Location
Aesthetic Clinic on Phutthamonthon Sai 3, Bang Khae
Onnyx Clinic is a doctor-led aesthetic clinic at The Trio Avenue on Phutthamonthon Sai 3 Road — a neighborhood clinic for Bang Khae, Thawi Watthana, and Phutthamonthon residents who would rather skip the mall traffic. Every case is assessed and planned by a physician, with transparent pricing and on-site parking.
Getting here & parking
By car from Borommaratchachonnani Road
From the Sai 3 × Borommaratchachonnani intersection, head south toward Phetkasem for about 2 km. The Trio Avenue is near Soi 18/4.
By car from Phetkasem Road
Turn onto Phutthamonthon Sai 3 heading north for about 4 km. Nearby landmarks: Assumption College Thonburi and Setthakit Village.
Parking
Park inside The Trio Avenue plaza (a shophouse plaza with cafés, restaurants, and a gym), near the 7-Eleven.
By MRT / public transport
The nearest station is MRT Lak Song (Blue Line), about 7 km away — a 15-minute taxi or Grab ride. Most visitors find driving easiest.
Open the map for turn-by-turn directions.
170/24 The Trio Avenue, Phutthamonthon Sai 3 Road, Bang Phai, Bang Khae, Bangkok 10160
Open Wed–Sun 10:30–19:00 (closed Mon–Tue)
Areas we serve
Most of our patients drive in from these neighborhoods in minutes — no mall traffic required.
- Phutthamonthon Sai 2 / 3 / 4
- Thawi Watthana – Sala Thammasop
- Bang Phai – Bang Khae
- Nong Khaem
- Salaya – near Mahidol University
- Borommaratchachonnani – Sanam Luang 2
Popular services at our Sai 3 clinic
Every treatment is assessed and performed under physician care. See each service page for full details and prices.
Botox
from ฿2,500
Filler
from ฿3,900
Mesotherapy
from ฿1,499
Pico Laser
from ฿2,000
HIFU Lifting
from ฿1,500
Oligio RF
from ฿6,500
Laser Hair Removal
from ฿499
Skin Treatments
from ฿100
Physician-led care
Every case at Onnyx Clinic is assessed and planned by our physician (Thai medical license No. Wor.74005), using Thai-FDA-approved products with attentive pre- and post-treatment care.
Dr. Janthida Gluayjumnong — Attending Physician, Onnyx Clinic
Meet our doctor →Getting-here FAQ
Is there parking?
Yes — park inside The Trio Avenue plaza on Phutthamonthon Sai 3.
Can I come by MRT?
The nearest station is MRT Lak Song, about 7 km away. Take a taxi or Grab from the station (about 15 minutes), or drive — most visitors do.
What is the clinic near?
The Trio Avenue on Phutthamonthon Sai 3, near Assumption College Thonburi and Setthakit Village, about 2 km from the Borommaratchachonnani intersection and a short drive from Sanam Luang 2 market.
Do I need an appointment?
Walk-ins are welcome, but we recommend booking via LINE @onnyxclinic or calling 092-789-0742 to avoid waiting.
What are your opening hours?
Wednesday to Sunday, 10:30–19:00. Closed Monday and Tuesday.
Which areas do you serve?
Most patients come from Phutthamonthon Sai 2–4, Thawi Watthana, Sala Thammasop, Bang Phai, Bang Khae, Nong Khaem, Salaya, and the Borommaratchachonnani area, including Mahidol University students and staff.
Consult or book
Message us on LINE or call to ask questions and book ahead.