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Azelaic Acid 10 Ampoule

Sensitive SkinSerum

Azelaic Acid 10 Ampoule — Reddit Reviews

by Skin1004

93nextscore12 verdicts

Updated October 3, 2026

10% azelaic acid for acne and brightening; gentle, watery, and niacinamide-free.

What the community says

Backed by 44 studies

A 10% azelaic acid ampoule that Redditors use for acne, redness, and uneven tone, with studies backing acne help. It’s watery and layers cleanly, but some people need to start slowly because irritation and stickiness still happen.

From Reddit

Backed by 13 threads from r/AsianBeauty, r/koreanskincare and 3 more.

Read the threads ↓

What people love

Watch out for

  • Can feel a little sticky on bare dry skin
  • Sensitive skin may need a slow ramp-up

Product details

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 azelaic acid helped clear acne
    • It often cleared acne better than a placebo
    • It worked about as well as tretinoin in several studies
    • It could work less well than benzoyl peroxide, though some studies found similar results
    • The side effects were usually local skin reactions, and some studies found fewer than with tretinoin

    Studied at 5–20%this product: 10%

  • Hyperpigmentation

    Strong evidence

    Azelaic Acid: 12 studies tested it on its own. See all 15 studies

    What the studies found
    • Most studies found azelaic acid helped fade dark spots or patches
    • In melasma, it often worked better than a placebo
    • In melasma, it worked about as well as 4% hydroquinone and sometimes better than 2% hydroquinone
    • Some studies also found it helped acne marks and subtle facial dark patches
    • One small study found it did not help 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 — 21 mentions across 13 threads

Skin1004 Azelaic Acid 10 Ampoule on Reddit, in one place — 13 threads from r/AsianBeauty, r/koreanskincare and 3 more, summarized.

“i am now using the skin1004 and i see some results but slower than the tirtir.”

Positive

“it literally feels so nice and nourishing though and goes on like water.”

Positive

“For really sensitive skin, probably start with the skin1004 madagascar and introduce it slowly before moving up in strength”

Positive

“i am on week 2 of using the Skin1004 azelaic ampoule and honestly still unsure how i feel about it.”

Positive

“the skin1004 azelaic serum has been pretty good for me so far”

Positive

“i like that it's a light serum texture and honestly super tame (low irritation) but still gives good results especially w texture, acne, redness, etc. over time and increased use.”

Positive

“I’m also enjoying the new skin1004 azelaic serum”

Mentioned

“but there’s several options for otc azelaic acid.”

Mentioned

“The topicals and otc stuff that would help are benzoyl peroxide and adapalene.”

Mentioned

“Skin1004! How has no one said this?? It's the best and most effective I've tried. No niacinamide too.”

Positive

“I just started using this one a weekish ago and like it so far. Not sticky or pilly.”

Positive

“this one”

Positive

“I just got the skin1004 one so I can’t actually speak to it in depth”

Positive

“I like the bottle less, but I think I may like the formula more because my skin seems to like centella/cica.”

Positive

“In short I can’t really recommend anything but a nod to these ones if you want to look into them.”

Positive

“Skin1004 Azelaic acid ampoule”

Mentioned

“Products on my radar: ... Skin1004 Azelaic acid ampoule”

Mentioned

“Products that help with redness”

Mentioned

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