Skin · Medication Guide
Azelaic Acid in Thailand
What azelaic acid is, what it does for acne, post-acne dark marks and razor bumps, its side effects, and how men in Bangkok get it. Reviewed by a licensed physician at a MOPH-registered men's health clinic.
- First changes in about 4 weeks
- Registered medicine · no prescription needed
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Medically reviewed by Dr. Thitaree Vongseenin
Menscape Clinic
Last reviewed
11 July 2026
15–20%
Standard topical strengths
15% gel or 20% cream
4
Actions in one topical
unclogs, calms, fights bacteria, fades marks
12
Weeks to full effect
first changes around week 4
1995
First FDA approval
in dermatology use since the late 1980s
Key takeaways
Azelaic acid is a topical medicine for acne, rosacea and post-inflammatory dark marks; for men it also helps the razor bumps and pigmentation that shaving leaves behind.
It does several jobs at once: it unclogs pores, calms inflammation, suppresses acne bacteria, and fades dark marks by slowing overactive pigment cells.
It is one of the best-tolerated acne topicals, safe enough that it is a first choice even in pregnancy, but it works gradually over 4–12 weeks, not overnight.
In Thailand it is a registered medicine sold through pharmacists without a prescription. Menscape does not keep it on the open shelf; the clinic orders it in for you after a skin check.
01
What azelaic acid is & how it works
Azelaic acid is a topical medicine used to treat mild-to-moderate acne, rosacea, and the flat brown or grey marks that linger after a spot or an ingrown hair clears. It is a dicarboxylic acid that occurs naturally in grains like wheat and barley, and in the skin's own surface.
It is useful because it works on several fronts at the same time. It normalises the way skin cells shed, so pores clog less; it calms the inflammation behind red, sore spots; and it suppresses the acne bacterium Cutibacterium acnes without the resistance problems seen with topical antibiotics.
For men, its second job matters as much as the first. Azelaic acid slows overactive pigment-producing cells, so the dark marks left by acne, and by shaving-related razor bumps (pseudofolliculitis barbae), fade over time, without bleaching normal skin. Whether it suits your skin, and at what strength, is what a check is for.
A naturally occurring acid
A dicarboxylic acid found in grains and on healthy skin, formulated into a 15% gel or 20% cream as a medicine.
Clears and calms pores
It normalises how skin cells shed, unclogging pores, and calms the inflammation behind red, painful spots.
Suppresses acne bacteria
It reduces Cutibacterium acnes on the skin without driving the antibiotic resistance seen with some acne treatments.⁴
Fades dark marks
It slows overactive pigment cells, so post-acne and post-shaving dark marks fade, while leaving normal skin tone alone.¹
02
Getting azelaic acid in Thailand
Thai FDA status
Registered as a medicine with the Thai FDA, sold in Thailand under brands such as Skinoren. In practice a licensed pharmacy can sell the 15% gel or 20% cream without a prescription; a pharmacist dispenses it.⁵
How to get it through Menscape
Menscape does not keep azelaic acid on the open shelf. After a doctor or pharmacist confirms it suits your skin, the clinic orders in the registered product for you, then arranges pickup at Asoke or Bangkok delivery. It is brought in per patient, not dispensed same-day off the shelf.
Skip the marketplace listings
Grey-market skincare in Thailand is a common route for counterfeit and mislabelled product. A legitimate azelaic acid carries a Thai drug registration number (เลขทะเบียนยา) on the box; a listing without one is not legal to sell and you cannot verify the strength or contents.
Azelaic acid at these strengths is a registered medicine in Thailand, not a cosmetic. Legitimate products carry a Thai drug registration number (เลขทะเบียนยา). The Thai FDA warns against buying medicines from unlicensed online sellers.⁶
03
Does it work? The evidence
Azelaic acid has been studied in acne and pigment disorders since the 1980s. In comparative acne trials, the 20% cream reduced inflammatory papules and pustules to a degree broadly comparable with benzoyl peroxide and topical tretinoin, while causing less peeling for many people. Improvement usually begins around four weeks, with the fuller effect assessed at about twelve weeks.⁴
Its second use, fading dark marks, is what sets it apart for men prone to post-acne pigmentation or razor-bump marks. In a 24-week trial in melasma, 20% azelaic acid produced improvement comparable to 4% hydroquinone, the long-standing benchmark, but it acts only on overactive pigment cells and does not bleach surrounding skin.³ Results are gradual and vary from person to person.
20%
Cream matched hydroquinone
comparable melasma improvement over 24 weeks
0
Bleaching of normal skin
acts only on overactive pigment cells
Balina & Graupe, 24-week randomised melasma trial comparing 20% azelaic acid with 4% hydroquinone.³ Individual results vary.
04
Side effects & who shouldn't use it
Common at the start (up to 1 in 3)
Burning, stinging or tingling, itching, dryness, redness and light scaling where you apply it. In the 15% gel trials up to a third of users noticed some of this, mostly mild, settling within the first few weeks; starting once daily helps.²
Less common
In people with darker or Asian skin tones, azelaic acid can occasionally lighten patches of normal skin (hypopigmentation). Rarely, it triggers a genuine allergic contact rash, or worsening of pre-existing asthma. Stop and speak to a doctor if this happens.
Not suitable for
Anyone with a known allergy to azelaic acid or the formulation, and open, broken or sunburned skin. Keep it away from the eyes, lips and inside the nose and mouth.
Worth knowing
Absorption into the body is very low, which is why it is considered safe even in pregnancy and breastfeeding. It is applied to clean, dry skin; give it a few minutes before other products, and use sunscreen by day so healing marks do not re-darken.
05
Alternatives & combinations
Topical · often combined
Adapalene
A topical retinoid that speeds up how skin cells turn over. A doctor may pair it with azelaic acid for stubborn or comedonal acne, introduced slowly to limit irritation.
Pigment · alternative
Hydroquinone
The long-standing skin-lightening agent for dark marks and melasma. It is more tightly regulated and used in short, supervised courses when azelaic acid alone is not enough.
Razor bumps · supportive
Salicylic acid
A gentle exfoliating acid that helps free trapped hairs in pseudofolliculitis barbae. Combined with a change in shaving technique, it reduces both the bumps and the marks they leave.
06
How to get it at Menscape
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Get straight answers on your skin today.
Chat online or walk in
Message the clinic with a clear photo of your skin, or drop in at Asoke. No appointment is needed to ask about it.
Pharmacist or doctor check
A quick review of your skin, what you already use, and whether a 15% gel or 20% cream is the right call, or whether your acne needs a doctor first.
Ordered in for you
Because Menscape stocks it on request rather than on the shelf, the registered product is brought in for you, then ready for pickup at Asoke or Bangkok delivery.
Aftercare advice
How to build up frequency, what the first two weeks feel like, and a clear checkpoint: little improvement by 8–12 weeks means a doctor reviews your skin.
The pharmacist and doctor decide. If your acne is deep, scarring or widespread, a topical is not the whole answer, and we will say so and recommend a doctor review instead.
Medically reviewed by
Dr. Thitaree Vongseenin
Menscape Clinic, Bangkok
“Men tend to ignore acne and the dark marks it leaves until they start to scar. Azelaic acid is one of the gentlest ways to treat both at once, but skin is individual, so let us check yours before you start.”
- Reviewed
- 11 July 2026
- Next review
- January 2027
- Editorial standard
- Each guide is checked against the Thai FDA label and the primary literature, then reviewed by a licensed physician.
07
Frequently asked questions
Can I buy azelaic acid over the counter in Thailand?
Yes, at medical strength it is sold through licensed pharmacies without a prescription, dispensed by a pharmacist. It is still a registered medicine, so buy it from a pharmacy or clinic rather than an unverified online seller, where counterfeits are common.
How long until I see results?
First changes in acne usually appear around four weeks, with the fuller effect assessed at about twelve weeks. Fading of dark marks is slower still and continues over several months. Consistency matters more than strength.
Does it help the dark marks acne leaves behind?
Yes, that is one of its main uses. It slows overactive pigment cells, so post-inflammatory dark marks fade gradually, without bleaching your normal skin tone. Daily sunscreen protects the progress.
Will it help razor bumps from shaving?
It can help with pseudofolliculitis barbae by calming inflammation and fading the dark marks the bumps leave. It works best combined with a change in shaving technique, and sometimes a gentle exfoliant. A doctor can tailor the approach.
Is it safe? What are the side effects?
It is one of the best-tolerated acne topicals. Early on it can cause mild burning, stinging, dryness or redness that usually settles within a few weeks. In darker skin it can occasionally lighten normal patches, so a check first is worthwhile.
Azelaic acid or benzoyl peroxide, which is better?
Both treat mild-to-moderate acne well. Benzoyl peroxide is a stronger antibacterial; azelaic acid is gentler and also fades dark marks, which suits men prone to post-acne pigmentation. A doctor can match the choice to your skin, and sometimes uses both.
Can I use it with other acne treatments?
Often, yes. It is commonly combined with a retinoid like adapalene or with benzoyl peroxide for a stronger effect. To avoid over-irritating your skin, layer and space them under a doctor's or pharmacist's guidance rather than piling everything on at once.
Is it safe for darker or Asian skin tones?
Generally yes, and it is often chosen precisely because it fades dark marks. The one caution is occasional lightening of normal skin in darker tones, so start on a small area and have a clinician review how your skin responds.
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References
1. U.S. FDA. Azelex® (azelaic acid 20%) cream prescribing information. Bayer/Allergan. Accessed July 2026.
2. U.S. FDA. Finacea® (azelaic acid 15% gel/foam) prescribing information. Accessed July 2026.
3. Balina LM, Graupe K. The treatment of melasma: 20% azelaic acid versus 4% hydroquinone cream. Int J Dermatol. 1991;30(12):893-895.
4. Fitton A, Goa KL. Azelaic acid: a review of its pharmacological properties and therapeutic efficacy in acne and hyperpigmentary skin disorders. Drugs. 1991;41(5):780-798.
5. Thai Food and Drug Administration — drug registration database, ndi.fda.moph.go.th. Accessed July 2026.
6. Thai FDA consumer warnings on purchasing medicines from unlicensed online sellers, oryor.com. Accessed July 2026.
7. Nazzaro-Porro M. Azelaic acid. J Am Acad Dermatol. 1987;17(6):1033-1041.
This guide is educational information, not medical advice. Azelaic acid is a registered medicine; skin conditions differ from person to person, so use it under the guidance of a licensed pharmacist or physician.
This guide is part of the Menscape skin library
Explore the condition hubAcne, dark marks or razor bumps? Ask a doctor, not a forum.
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