A-Control 10% Azelaic Acid Serum — Reddit Reviews
by Nineless
Updated October 8, 2026
10% azelaic acid serum with niacinamide for PIE and calmer-looking skin.
What the community says
Community chatter is mostly about azelaic acid doing the heavy lifting for redness, PIE, and general calming. People also like the lighter, non-gritty texture and the reformulation that dropped bergamot extract. A few suspect the niacinamide.
What this means for you
Backed by 15 threads from r/SkincareAddiction, r/koreanskincare and 3 more.
Read the threads ↓What people love
- 10% azelaic acid — the whole point
- Absorbs fast, not gritty
- Reformulation ditched bergamot extract
Watch out for
- Niacinamide may be the problem for some
- Can underwhelm on redness for some users
- Older formula had a loud bergamot extract backlash
Product details
Skin Type
Key Ingredients
Skin type data limited
Where to buy
What the science says
Acne
Strong evidence
Azelaic Acid: 22 studies tested it on its own. See all 31 studies
What the studies found
- Most studies found it helped clear acne
- It cleared acne better than a placebo in several studies
- It often worked about as well as tretinoin and some other common acne treatments
- Some studies found it worked less well than benzoyl peroxide or benzoyl peroxide with clindamycin
- Side effects were usually local and moderate, with fewer local side effects than tretinoin in one study
Studied at 5–20%this product: 10%
Rosacea
Strong evidence
Azelaic Acid: 17 studies tested it on its own. See all 20 studies
Hyperpigmentation
Strong evidence
Azelaic Acid: 12 studies tested it on its own. See all 15 studies
What the studies found
- Most of these studies found it helped fade dark spots or patches
- In melasma, it often faded dark patches better than a placebo
- It usually worked about as well as hydroquinone, and sometimes better than weaker hydroquinone
- It also helped some other uneven pigment, including dark marks after acne
- One small study found no clear benefit for sun spots
Studied at 15–20%this product: 10%
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 19 mentions across 15 threads
Nineless A-Control 10% Azelaic Acid Serum on Reddit, in one place — 15 threads from r/SkincareAddiction, r/koreanskincare 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 A-Control serum :)”
Mentioned
“At the moment I am loving COSRX snail mucin essence, ANUA 7 rice ceramide barrier serum and Nineless A-Control serum :)”
Mentioned
“use a mix of products from the chemist, and Korean skincare”
Mentioned
“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
“Nineless A-Control 10% Azelaic Acid Serum”
Positive
“2. Nineless A-Control 10% Azelaic Acid Serum”
Positive
“AM”
Positive
