A-Control 10% Azelaic Acid Serum — Reddit Reviews
by Nineless
Updated September 16, 2026
10% azelaic acid serum clears acne well and absorbs without grit; some report irritation.
What the community says
Studies found azelaic acid clears acne better than placebo and as well as tretinoin. Redditors praise the serum's light absorption and efficacy but warn of possible irritation or niacinamide sensitivity. Introduce slowly with tretinoin to avoid issues.
What this means for you
Backed by 11 threads from r/SkincareAddiction, r/AsianBeauty and 3 more.
Read the threads ↓What people love
- Absorbs better than comparable azelaic acid serums, feels plumping
- Gentle enough for combination/sensitive skin, low purging risk
- Solid 10% azelaic acid strength commonly recommended for acne
Watch out for
- Possible irritation linked to niacinamide inclusion in formula
- Some users report little effect on redness or pigmentation
- Needs slow introduction post-tretinoin to gauge tolerance
Product details
Skin Type
Key Ingredients
Skin type data limited
Where to buy
What the science says vs. what Reddit says
What the science says
Azelaic Acid
Strong evidence for acne- It usually cleared acne better than a placebo
- 30 studies back this, including several large reviews
- It often worked about as well as tretinoin, and results versus benzoyl peroxide were mixed
- It could work better when used together with other acne ingredients
- The most common side effects were dryness, scaling, and other moderate skin irritation
Studied at 5–20%this product: 10%
See 32 studiesResearch context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 15 mentions across 11 threads
Nineless A-Control 10% Azelaic Acid Serum on Reddit, in one place — 11 threads from r/SkincareAddiction, r/AsianBeauty and 3 more, summarized.
“azelaic acid worked well for me even at 10%.”
Positive
“i used the nineless one and i loved it”
Positive
“after daily usage of nineless for like half a year.”
Positive
“Nineless has reformulated and changed the packaging of their 10% Azelaic Acid Serum”
Mentioned
“Anyway, I've been using this forever. Change is always scary but I'm definitely gonna try this new formulation.”
Mentioned
“I LOVE THE NEW FORMULATION!!! goodbye bergamot extract 🤮🤮”
Mentioned
“Nineless A-control 10% azelaic acid is my absolute favorite.”
Positive
“Nineless absorbs way better, is not gritty, and is plumping too.”
Positive
“Better than Good molecules and Anua which were my favorites before finding the Nineless.”
Positive
“Nineless has a 10% AA one.”
Mentioned
“Battle of Korean Azelaic Acid”
Mentioned
“i want to choose a good gentle azelaic acid serum”
Mentioned
“I'm currently using the Nineless AA but I dont think my skin likes it... could be the Niacinamide.”
Cautionary
“I used it prior and enjoyed it but it didnt do much”
Cautionary
“I'm probably going to go back to Tirtir after.”
Cautionary
“I have some big ones in the body and just bought NINELESS A-CONTROL with has 10% azelaic acid and 3% niacinamide plus other stuff.”
Mentioned
“I’ll start trying it today”
Mentioned
“You can slowly make them go with azelaic acid”
Mentioned
