TIRTIR Azelaic Acid 12% Serum Dupes & Cheaper Alternatives
From 34 Reddit threads · Updated October 16, 2026
Studies support 12% azelaic acid for acne; Redditors report redness and barrier drama. The catch: can strip the barrier and dry out dehydrated skin. Here's what Redditors reach for instead.
The short answer
Best Overall Alternative10% azelaic acid for redness and breakouts · $18.70 · 30 ml
Best Cheaper AlternativeWatery, fast-absorbing centella · $6.00 · 30 ml vs $20.00 for the original
Same Active: Azelaic AcidWatery, non-sticky ampoule texture · $19.99 · 29.9 ml
#1
Best Overall Alternative
- Key actives: Azelaic Acid 10%
- Size: 30 ml
- Price per ml: $0.62/ml (original $0.67/ml)
The why
One minus
Can sting or burn on a compromised barrier
Good forSensitive Skin, Combination Skin, Oily Skin
Both recommended for Acne; discussed alongside TIRTIR Azelaic Acid 12% Serum in 8 threads.
“Was getting really bad acne all around jawline, started Anua Azaelic Acid and it’s completely cleared up!!!”
— Reddit, r/SkincareAddiction
The original, at a glance
- Why people love it
- Azelaic acid acne evidence, echoed by Redditors
- Price
- $20.00 · 30 ml · $0.67/ml
#2
Best Cheaper Alternative
- Size: 30 ml
- Price per ml: $0.20/ml (original $0.67/ml)
The why
A watery centella ampoule that people use before moisturizer or tret. It suits irritated, dehydrated, or barrier-damaged skin. On very reactive faces, it can sting, break out, or do basically nothing.
One minus
Can trigger closed comedones or whiteheads
Good forSensitive Skin, Dry Skin
Both recommended for Redness / Irritation.
“I also use the centella ampoule right before tret!”
— Reddit, r/tretinoin
#3
Same Active: Azelaic Acid
- Key actives: Azelaic Acid 10%
- Size: 29.9 ml
The why
This watery 10% azelaic acid ampoule is aimed at acne, redness, and uneven texture. Studies found azelaic acid beats placebo, while Redditors report gradual clearing and brightening. Irritation and perioral-dermatitis flare-ups make slow introduction essential.
One minus
Frequent use can irritate badly; twice weekly was already too much for one user
Good forSensitive Skin, Dry Skin
Both recommended for Redness / Irritation.
#4
Best for Redness / Irritation
Wonder Releaf Centella Serum Unscented
Purito·Serum
See alternativesCentella-focused calming serum for redness
- Size: 59.1 ml
- Price per ml: $0.29/ml (original $0.67/ml)
The why
A lightweight centella serum with niacinamide, panthenol, ceramide NP, peptides, and hyaluronic acid for redness-prone, tret-irritated skin needing hydration and barrier support. It layers easily, though acne-prone users report whiteheads, clogged pores, and occasional burning.
One minus
Whiteheads and clogged pores hit acne-prone users
Good forSensitive Skin, Dry Skin
Both recommended for Redness / Irritation.
“I’d look at the PURITO Wonder Releaf Centella Serum Unscented.”
— Reddit, r/koreanskincare
Other alternatives worth a look
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Four-pronged dark-spot blend: tranexamic acid, niacinamide, alpha-arbutin, glutathione · 110 mentions
BrighteningDullness
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Cream TextureHeavy/Rich
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Under MakeupAnti-Aging
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Hormonal AcneHyperpigmentation
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