
Redness/IrritationAcne Spot Treatment
10% Azelaic Acid Booster — Reddit Reviews
Updated October 14, 2026
10% azelaic acid plus salicylic acid for redness and breakouts; can sting.
What the community says
A leave-on azelaic acid booster with salicylic acid, licorice root, allantoin, and bisabolol. Redditors use it for redness, acne, and post-acne marks; studies back azelaic acid for acne, but the extra exfoliant makes sensitive or reactive skin yelp.
What this means for you
Backed by 16 threads from r/SkincareAddiction, r/30PlusSkinCare and 5 more.
Read the threads ↓What people love
- Redness and breakouts calm down fast
- Spreads cleanly and sinks in well
- Licorice root plus allantoin for extra soothing
Watch out for
- Salicylic acid makes reactive skin complain
- Can pill under SPF and other layers
- Some people get peeling, stinging, or breakouts
Product details
Use caution
Values
Product Traits
Key Ingredients
Where to buy
What the science says vs. what Reddit says
Acne
Strong evidence
Azelaic Acid: 22 studies tested it on its own. See all 31 studies
On Reddit: Breakout-only use suits people who reach for it when a flare hits, not as an everyday step. 15 mentions
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
On Reddit: Morning sunscreen mixing lets some users work it into their daily routine. 8 mentions
Hyperpigmentation
Strong evidence
Azelaic Acid: 12 studies tested it on its own. See all 16 studies
On Reddit: Acne marks reportedly clear completely within a month for one user, while another sees forehead PIH improve over two months. 16 mentions
What the studies found
- In melasma, it often made patches lighter and less widespread
- It worked about as well as hydroquinone in some studies, and better than weaker hydroquinone in others
- It also helped fade dark marks left after acne in one study
- The most common side effects were burning and stinging, and severe side effects were not reported
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 — 187 mentions across 16 threads
Paula's Choice 10% Azelaic Acid Booster on Reddit, in one place — 16 threads from r/SkincareAddiction, r/30PlusSkinCare and 5 more, summarized.
“Paula's choice Azelaic Acid Booster is the only one I've really tried”
Positive
“I get about 6 months out of a tube and a little bit goes a long way.”
Positive
“For Azelaic Acid, this is the ingredient for serious treatment.”
Positive
“Paula's choice Azelaic Acid Booster is the only one I've really tried after sampling the Ordinary's in-store and not liking the texture.”
Positive
“For Azelaic Acid, this is the ingredient for serious treatment.”
Positive
“I get about 6 months out of a tube and a little bit goes a long way.”
Positive
“Paula’s choice Azelaic Acid booster is great”
Positive
“As for the bumps, I recommend Azelaic Acid.”
Positive
“This is the active ingredient dermatologists prescribe to treat rosacea pustules, and is more gentle for sensitive skin for general exfoliation and anti-aging than tretinoin.”
Positive
“Mix and apply Paula’s Choice Skin Recovery Daily Moisturizing SPF, BECCA backlight primer, Paula’s Choice Azelaic Acid Booster”
Positive
“I’m truly obsessed with the Azelaic Booster! I even keep extra tubes on hand so that I never run out”
Positive
“Do you think the azelaic acid might be helping fade the freckles as well?”
Positive
“Oh! Maybe!! Yeah, could definitely help.”
Positive
“AM: paula’s choice azelaic acid 10% booster”
Positive
“PM: paula’s choice azelaic acid 10% booster”
Positive
“i think the azelaic acid and sleeping with a bonnet have been my biggest game changers.”
Positive
“i noticed such a big difference when i started doing azelaic acid twice a day.”
Positive
“I currently use the PC”
Mentioned
“I currently use the PC, hyluronic acid, jojoba oil w gua sha, and a natural cleanser rn.”
Mentioned
“Your skin looks great. I've gotta ask because I just bought PC azelaic acid from Sephora”
Mentioned
Dupes & Alternatives
Compared with
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