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🧪 An honest comparison — a beautifully-formulated 10%, or a true 20%
An Honest Comparison

Helloskin vs Paula's Choice

Paula's Choice 10% Azelaic Acid Booster is the best-formulated azelaic on this list — genuinely. It's fragrance-free, pairs azelaic with 0.5% salicylic acid, and cushions it with adenosine, licorice and bisabolol in an elegant cream-gel. Credit where it's due. But it's 10% (half our dose), it has no niacinamide, and it's around $52. We run a true 20% with 10% Niacinamide for $39.99. Here's the breakdown — no spin, just chemistry.

Updated
Sept 2026
Reviewed by
Formulation Team
Read
6 min
Azelaic Acid
20%
True 20% vs 10%
Niacinamide
10%
Yes vs none
Price
$39.99
Less vs ~$52
Made In
🇦🇺
Australia
"

The most elegant, most soothing azelaic here — but it's half the dose, has no niacinamide, and costs more.

— Paula's Choice, Honest Verdict
Australian-Made · No Script
True Azelaic · 10% Niacinamide · $39.99
Helloskin Azelaic Acid 20% Serum
20%
true azelaic
A true 20% azelaic acid serum with 10% Niacinamide and a salicylic-acid (BHA) assist, antioxidant-protected with Ferulic Acid and Vitamin E, in a light, dissolved serum base. Prescription-strength azelaic, no script. $39.99 / 30ml.
10% Azelaic · +0.5% SA · Fragrance-Free · ~$52
Paula's Choice 10% Azelaic Acid Booster
10%
azelaic + 0.5% SA
A genuinely excellent 10% azelaic + 0.5% salicylic booster — fragrance-free, with adenosine, licorice and bisabolol in a silky cream-gel. Beautifully soothing and elegant. But it's half the azelaic, has no niacinamide, and it's the priciest here.
At A Glance

The two formulas, side by side.

Every spec that matters — including the several rows where Paula's Choice genuinely wins.

Spec
Helloskin
Paula's Choice
Azelaic Acid
Helloskin
20%true
Paula's Choice
10%true
Niacinamide
Helloskin
10%
Paula's Choice
None
Salicylic Acid (BHA)
Helloskin
Yes
Paula's Choice
0.5%
Soothing roster
Helloskin
Ferulic, Betaine
Paula's Choice
Adenosine, Licorice, Bisabolol, Allantoin
Antioxidants
Helloskin
Ferulic + Vitamin E
Paula's Choice
None dedicated
Fragrance-Free
Helloskin
No — contains Parfum
Paula's Choice
Yes
Cosmetic Elegance
Helloskin
Light serum
Paula's Choice
Silky cream-gel (premium)
Made In
Helloskin
🇦🇺 Australia
Paula's Choice
USA
Price
Helloskin
$39.9930ml
Paula's Choice
~$5230ml
The Science

Elegance at 10%, or strength at 20%?

Paula's Choice made the most refined 10% azelaic on the market — the soothing roster and cream-gel texture are genuinely better than ours on comfort. The question is dose. At 10% it's a gentle everyday option; we run a true 20% — the strength dermatologists prescribe — with niacinamide, for less.

Paula's Choice
10%

beautifully cushioned

10% azelaic + 0.5% salicylic, soothed by adenosine, licorice and bisabolol, fragrance-free, in a silky cream-gel. The most elegant, most sensitive-friendly azelaic here — but half the dose, and no niacinamide.

Helloskin
20%

prescription strength

A true 20% azelaic with 10% Niacinamide, a salicylic-acid assist and Ferulic Acid + Vitamin E — double the azelaic, a bigger supporting cast, for $39.99. Stronger, if less cushioned.

Credit where it's due: for sensitive skin, or anyone who prizes texture and a fragrance-free, soothing formula, Paula's Choice is the more comfortable serum. We trade some of that comfort for double the azelaic and a bigger active line-up.

The Math

What each label delivers.

Both are well-made. The dose and the extras differ.

Item
Helloskin
Paula's Choice
Azelaic acid
Helloskin20% (true)
Paula's Choice10% (true)
Niacinamide
Helloskin10%
Paula's ChoiceNone
Salicylic acid (BHA)
HelloskinYes
Paula's Choice0.5%
Soothing actives
HelloskinBetaine, Ferulic
Paula's ChoiceAdenosine, Licorice, Bisabolol
Price
Helloskin$39.99
Paula's Choice~$52

Paula's Choice wins comfort and elegance; we win dose, niacinamide and price. Double the azelaic and a 10% niacinamide for less money — versus the market's most soothing 10%.

The Benchmark

Prescription-strength azelaic, without the prescription.

Dermatologists prescribe azelaic acid at 15–20% (Skinoren is 20%, Finacea 15%). Most over-the-counter serums stop at 10% — half. We run a full, true 20%, on the shelf, no script.

Strength
20%

True azelaic acid — the prescription ceiling

The same 20% concentration a dermatologist prescribes as Skinoren, in a cosmetic serum you can just buy — paired with 10% Niacinamide and a salicylic-acid (BHA) assist.

Form
0grit

Dissolved, not suspended or "derivative"

Real azelaic acid, carried in a light Undecane/Tridecane serum base that spreads clean — not a gritty silicone suspension, and not a milder Potassium Azeloyl Diglycinate stand-in.

Azelaic acid is dose-dependent and a higher percentage is stronger — it can also be more active on sensitive or rosacea-prone skin, so patch-test and build up slowly. Not medical advice; azelaic acid at these levels is a cosmetic ingredient here, not a substitute for prescribed treatment.

Full Scorecard

All 15 categories. Scored fairly.

Helloskin wins 9, ties 2, cedes 4. Paula's Choice genuinely wins on soothing, fragrance-free, cosmetic elegance and clinical brand cred — the most refined azelaic here. We win on dose, niacinamide and value.

Category
Helloskin
Paula's Choice
Why
Azelaic Strength
HS
10
PC
5
HS 20% vs 10%
Niacinamide / Tone
HS
9
PC
2
HS 10% vs none
Salicylic (BHA)
HS
8.5
PC
8
Tie both include salicylic
Antioxidant Protection
HS
8.5
PC
5
HS Ferulic + E vs none dedicated
Soothing / Calming
HS
7
PC
9
PC adenosine, licorice, bisabolol
Fragrance-Free / Sensitive
HS
6
PC
9
PC fragrance-free; we contain Parfum
Cosmetic Elegance
HS
8
PC
9
PC premium silky cream-gel
Hydration System
HS
8.5
PC
8.5
Tie both well-hydrated
Multi-Benefit Breadth
HS
9
PC
7.5
HS azelaic + niac + BHA + antiox
Dosing Transparency
HS
9
PC
8.5
HS every active % declared
Provenance
HS
9
PC
6
HS Australian in-house
Pigmentation / Tone Power
HS
9
PC
6.5
HS 20% + 10% niacinamide
Texture Refining
HS
8.5
PC
6.5
HS 20% azelaic + BHA
Clinical Brand Cred
HS
7.5
PC
9
PC derm-respected brand
Value per Dollar
HS
9
PC
6
HS $39.99 vs ~$52, double dose
Helloskin wins 9 of 15
Paula's Choice is the most elegant, most soothing, most sensitive-friendly azelaic here, from a derm-respected brand — four genuine wins. But it's 10% (half our dose), has no niacinamide, and costs more. We give you a true 20% + 10% Niacinamide for $39.99.
Full Transparency

Every ingredient. Both labels, side by side.

Paula's Choice is a genuinely thoughtful list: 10% azelaic (2nd), 0.5% salicylic, then a soothing roster — adenosine, licorice, allantoin, bisabolol. Fragrance-free. Just no niacinamide, and half our azelaic.

Helloskin
18functional ingredients
Aqua (Water), Azelaic Acid, Niacinamide, Undecane, Tridecane, Propanediol, Polyacrylamide and C13-14 Isoparaffin and Laureth-7, Polyglycerin-6, Betaine, Benzyl Alcohol, Salicylic Acid, Glycerin, Sorbic Acid, Disodium EDTA, Ferulic Acid, Tocopherol, Citrus Reticulata Rosso, Parfum
Paula's Choice
21true 10% azelaic + 0.5% SA
Water (Aqua), Azelaic Acid, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Methyl Glucose Sesquistearate, Glycerin, Cetearyl Alcohol, Glyceryl Stearate, Dimethicone, Salicylic Acid, Adenosine, Glycyrrhiza Glabra (Licorice) Root Extract, Boerhavia Diffusa Root Extract, Allantoin, Bisabolol, Cyclopentasiloxane, Xanthan Gum, Sclerotium Gum, Propanediol, Butylene Glycol, Phenoxyethanol
Being Fair

What Paula's Choice gets right.

A lot — this is the best-formulated azelaic on our list. Paula's Choice pairs 10% azelaic with 0.5% salicylic and cushions it with adenosine, licorice root, allantoin and bisabolol, fragrance-free, in a silky cream-gel, from a brand with real clinical credibility. For sensitive skin, or anyone who wants the most comfortable, elegant azelaic experience, it is genuinely excellent — arguably nicer to use than ours.

Where we pull ahead is dose, breadth and price. Theirs is 10% azelaic; ours is a true 20% — the strength a dermatologist prescribes. Theirs has no niacinamide; ours has 10%, plus a salicylic assist and Ferulic Acid + Vitamin E. And ours is $39.99 versus around $52. The honest trade: they're the more soothing, fragrance-free, elegant serum; we're the stronger, fuller, better-value one.

Common Questions

What people actually ask.

Is Paula's Choice better than Helloskin?
On comfort and elegance, arguably yes — it's fragrance-free, beautifully soothing and a lovely texture. On strength and value, no — it's 10% azelaic with no niacinamide at ~$52, versus our true 20% + 10% niacinamide at $39.99. Sensitive skin may prefer theirs; results-seekers, ours.
Why does Paula's Choice cost more for less azelaic?
You're paying for a premium, fragrance-free, soothing formulation from a derm-respected brand — which is genuinely well-made. But it is half the azelaic and has no niacinamide, so on dose-per-dollar we're well ahead.
I have sensitive skin — which is safer?
Paula's Choice is the gentler pick: fragrance-free, lower 10% dose, and a strong soothing roster. Our 20% is stronger and contains fragrance, so reactive skin should patch-test and build up — or start with a gentler option.
Which should I choose?
Sensitive skin, or you value texture and a fragrance-free soothing formula? Paula's Choice. Want the strongest true azelaic with niacinamide, for less? Helloskin's 20% at $39.99.
Ready When You Are

Double the dose, half the fuss on price.

A true 20% azelaic with 10% Niacinamide and a salicylic-acid assist for $39.99 — double the azelaic of the premium 10% boosters, for less.

Shop Azelaic 20% Serum — $39.99→
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Helloskin Azelaic Acid 20% Serum
$39.99 · true 20% + niacinamide
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