Onnyx Clinic
Skin & Beauty Articles
Guidance on skin, melasma, acne, ageing and aesthetic treatments — written and medically reviewed by the Onnyx Clinic team.
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.
Body & Weight
Oral GLP-1 vs Injection Pens: What's the Difference, Which to Choose
Oral GLP-1 pills vs injection pens — frequency, use conditions and Thai FDA status in 2026, which is actually available today, and how doctors choose.
Body & Weight
Orforglipron vs Mounjaro: How They Differ, When the Pill Reaches Thailand
Orforglipron (oral GLP-1) vs the Mounjaro pen: mechanism, frequency, trial data, side effects and Thai status in 2026 — wait for the pill or see a doctor first?
Body & Weight
What Are CagriSema and Retatrutide? How They Differ from Mounjaro
CagriSema and retatrutide are next-generation GLP-1 drugs still in research, not sold in Thailand. Mechanisms, trial findings, approval status as of Aug 2026.
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.
Skin & Wellness
Juvelook vs Rejuran: How They Differ and Which to Choose
Juvelook vs Rejuran: how they differ. PDLLA vs polynucleotide, which skin concerns each suits, sessions, downtime, and price — by the Onnyx Clinic medical team.
Lifting
Ulthera, Thermage, Oligio, HIFU: How They Differ
Ulthera, Thermage, Oligio, and HIFU compared: the energy each uses, the skin layer it reaches, downtime, and who it suits — by the Onnyx Clinic medical team.
Acne
Subcision for Acne Scars: What It Is and Which Scars It Suits
What Subcision is, how it suits rolling acne scars, the steps, downtime, sessions, and why it is often paired with laser, by the Onnyx Clinic medical team.
Body & Weight
Oral GLP-1 Pill (Orforglipron): How It Differs from Injection Pens
Orforglipron is the first small-molecule oral GLP-1 pill, US-approved in 2026. How it compares to Mounjaro/Wegovy pens, and its Thai registration status.
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
Pigmentation
Skin Brightening Laser Types: Which One Suits You
How brightening laser types differ — picosecond, Q-switched, IPL and fractional — which skin concerns each suits, how many sessions, and what it costs
Skin & Wellness
How to Choose a Safe Aesthetic Clinic in Thailand
How to choose an aesthetic clinic safely: checking the facility licence, verifying the doctor, checking product registration, and the warning signs
Lifting
Double Chin: What Causes It and How to Reduce It
Is your double chin from fat, loose skin or jaw structure? How to tell them apart, how HIFU and meso-fat differ, how many sessions, and what it costs
Pigmentation
Melasma Flare After Laser: Causes and How Long It Lasts
Why melasma darkens after laser, how it differs from post-inflammatory hyperpigmentation, how long it takes to fade, and how to prevent it happening again
Acne
Acne Face Mapping: What Location Really Tells You
Does acne face mapping work? Why linking spots to organs lacks evidence, and what acne location really signals — by the Onnyx Clinic medical team
Body & Weight
Stopping a Weight Loss Pen: Will the Weight Come Back?
What the STEP 1 trial shows about weight regain after stopping GLP-1 medication, why it happens, and how to plan ahead — by the Onnyx Clinic team
Body & Weight
Injecting a Weight Loss Pen: Where, How and Storage
Can you inject a weight loss pen yourself, which sites to use, why to rotate them, and how to store it safely — by the Onnyx Clinic medical team
Body & Weight
Mounjaro Timeline: When Do You See Results?
When Mounjaro starts working, why the first month shows little change, and how long to continue — by the Onnyx Clinic medical team
Body & Weight
Mounjaro Side Effects: What to Expect and How to Cope
Mounjaro side effects: how common nausea is, how long it lasts, how to ease symptoms, and which signs need a doctor — by the Onnyx Clinic team
Body & Weight
Weight Loss Pens: What They Are and How to Choose
What weight loss pens are, how GLP-1 works, which brands exist in Thailand, how much they reduce, side effects and price — by Onnyx Clinic
Body & Weight
Weight Loss Pens vs Oral Weight Loss Drugs Compared
How GLP-1 pens differ from oral weight loss drugs in mechanism, safety and legal status — plus how to spot illegal slimming products in Thailand
Acne
Acne Extraction vs Injection: Which Suits Your Acne
Acne extraction vs injection: extraction removes clogged comedones with sterile tools, while injection delivers anti-inflammatory medicine into large nodules.
Pigmentation
Dark Circles Under Eyes: 4 Types, How to Check and Treat
Dark circles under the eyes fall into 4 main types: pigmented, vascular, structural, and mixed. Learn how to check at home, causes, and treatment options.
Skin & Wellness
Enlarged Pores: Causes and How to Make Them Look Smaller
Enlarged pores come from excess oil, less collagen around each pore, and clogged pores. The causes, home care, and in-clinic options from Onnyx Clinic.
Lifting
HIFU vs Oligio: How They Differ and Which to Choose
HIFU vs Oligio: how do they differ? Compare the energy, skin depth reached, in-treatment sensation, downtime, and prices — by the Onnyx Clinic medical team.
Body & Weight
Underarm Laser Hair Removal: Sessions, Pain & Price
How many underarm laser hair removal sessions you need, whether it hurts, whether it really brightens the area, plus aftercare and prices from the Onnyx team.
Acne
Acne Red Marks vs Dark Marks: PIE vs PIH and How to Treat
Red acne marks (PIE) and dark acne marks (PIH) differ in cause and care. How to tell them apart, honest fading timelines, and what helps each type fade.
Acne
Hormonal Acne: Where It Appears, Causes, and Treatment
Hormonal acne appears on the jawline, chin, and lower face and is linked to the menstrual cycle. Learn its causes, signs, self-care, and doctor-led options.
Pigmentation
What Causes Melasma, Its Types, and How to Fade It
What causes melasma, how many types there are (epidermal, dermal, mixed), and how to fade and control it with sun protection, topicals, and laser — Onnyx team.
Body & Weight
Authentic Mounjaro: How to Spot Fakes and Buy Safely
How to spot authentic Mounjaro: check the อย. registration, pen seal, batch/lot and cold chain, avoid fakes. Buy from a doctor-led clinic; pens from 2,499.-
Lifting
Oligio: What It Is, Does It Hurt, Shots, and Results
Oligio explained: what it is, whether it hurts, how many shots you need, when results show, and how long they last — plus aftercare and price, by Onnyx Clinic.
Acne
Acne Scar Treatments Compared: Which Option Is Right for You
Which acne scar treatment is right for you? Compare laser, Subcision, TCA Cross, and filler, with the pros and limits of each, by the Onnyx Clinic medical team.
Acne
How Many Types of Acne Are There, and How Does Treatment Differ?
Tell apart comedonal, inflammatory, hormonal, and heat-related acne, with safe care guidance for each type — by the Onnyx Clinic medical team.
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.
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.
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.
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.
Lifting
What Is HIFU? Does It Really Lift and Firm, and How to Care for Skin
What HIFU is, how it lifts and firms skin, who it suits, whether it hurts, how long results last, and aftercare, reviewed by the Onnyx Clinic medical team.
Skin & Wellness
What Is an IV Vitamin Drip? Does It Whiten Skin?
What is an IV vitamin drip? Whether brightening drips are worth it, how many sessions, and who they suit — explained by the Onnyx Clinic medical team.
Body & Weight
Laser Hair Removal: Sessions, Pain & Aftercare Guide
How laser hair removal works, how many sessions you need, whether it hurts, and how to prepare and care for skin — by the Onnyx Clinic medical team.
Pigmentation
Melasma, Freckles & Dark Spots: How They Differ and How to Treat Each
Melasma, freckles, and dark spots look alike but differ in cause and depth. How to tell them apart and which treatment suits each — by the Onnyx medical team.
Body & Weight
Mounjaro vs Wegovy vs Ozempic: How They Differ
How do Mounjaro, Wegovy, and Ozempic differ? Compare these GLP-1 medications, their use, side effects, and safety under a doctor's care at Onnyx Clinic.
Lifting
Oligio vs Thermage: How They Differ and Which to Choose
Oligio vs Thermage: how they differ and which to choose. Principle, sensation, downtime, and results compared — by the Onnyx Clinic medical team.
Pigmentation
What Is Pico Laser? What It Treats and How Many Sessions
What is pico laser and how it helps melasma, freckles, dark spots, and acne marks. Pain, sessions, and aftercare — by the Onnyx Clinic medical team.
Skin & Wellness
What Is Rejuran? Variants, How It Works, and Aftercare
What is Rejuran skinbooster? The variants, what skin concerns it may help, how many sessions, and aftercare — by the Onnyx Clinic medical team.
Skin & Wellness
Skin Booster vs Mesotherapy: Differences and How to Choose
How do skin booster and brightening mesotherapy differ, and which suits your skin? A clear comparison table from the Onnyx Clinic medical team.