Onnyx Clinic

Injectables & Facial Contouring

Botox, dermal filler and facial fat-dissolving — how to choose and what to expect, by our medical team.

Two hands presenting a sealed, unopened product carton on a champagne-toned counter

Injectables

How to Tell If Filler Is Genuine and Check Thai FDA Registration

How to tell if dermal filler is genuine: check the Thai label, registration number, lot number and box seal before injection, plus the Thai FDA's three checks.

Aug 22, 2026
An unbranded sealed syringe and a clear glass vial on a champagne-toned surface

Injectables

Filler Lumps: Causes, Risks, and How to Fix Them

What causes filler lumps, how to tell early swelling from a true lump, urgent warning signs, and how each type is managed — by the Onnyx Clinic medical team.

Aug 15, 2026
A sealed unbranded vial and capped syringe on a champagne-toned surface

Injectables

Botox Not Working: Is Botox Resistance Real?

Why Botox sometimes does not work, what Botox resistance really is and how common, how doctors test for it, how to prevent it, and what to do next

Aug 8, 2026
A slim, defined face and jawline in soft light

Injectables

Botox for Jaw Slimming: What It Is and How Long It Lasts

Botox for jaw slimming: how it slims the face, how many days until results, how long it lasts, and aftercare — explained by the Onnyx Clinic medical team.

Jun 28, 2026
Two unbranded vials of filler on a champagne-toned surface

Injectables

Botox vs Filler: What's the Difference and Which to Choose

How do Botox and filler differ? They solve different problems. Learn which suits you, with a comparison table, from the medical team at Onnyx Clinic.

Jun 28, 2026
Side-profile silhouette of a slim jawline and neck

Injectables

Fat-Dissolving Injections (Mesofat): What They Are and Where

Fat-dissolving injections (mesofat): where they can be used, sessions needed, how long results last, and what to watch for — by the Onnyx medical team.

Jun 28, 2026
Smooth, refreshed-looking skin under the eyes and on the cheeks

Injectables

Under-Eye Filler: What It Helps, Risks, How Long It Lasts

How under-eye filler addresses tear troughs and dark circles, who it suits, safety, and how many months it lasts — by the Onnyx Clinic medical team.

Jun 28, 2026

Injectables & Facial Contouring

Botox, dermal fillers and fat-dissolving programs for the cheeks and chin draw more questions than almost any other treatment. These articles cover the fundamentals — Botox vs filler, jaw injections, under-eye filler — and the issues that matter for informed decisions: why filler lumps happen and how they are managed, what "Botox resistance" means, and how to verify Thai-FDA-registered products before injecting. A doctor's assessment in a licensed setting is the main factor that reduces complications. Results vary by individual.