Paula's Choice 10% Azelaic Acid Booster
Evidence-led ingredient analysis, a transparent clean score out of 100 and cleaner, effective alternatives at three price levels.
Best for
Melasma
Why Selenssa recommends it
Azelaic acid is a clinical gold-standard tyrosinase inhibitor that effectively manages hormonal melasma while remaining gentle enough for daily long-term use.
Key actives
10% Azelaic Acid, 0.5% Salicylic Acid, Licorice Root Extract
Clean highlights
Fragrance-free · Essential oil-free · Non-comedogenic
Selenssa Score 91/100 · £40.00
Want to see how this compares? See The Selenssa 3 →Paula's Choice
10% Azelaic Acid Booster
Sensitive Skin & Redness · Budget: £40.00
4.5 (1,850 reviews)· across Boots, Cult Beauty, Space NK, Paula's Choice UK
Ingredients: AI-inferred — not yet verified
Inferred formulation featuring 10% azelaic acid and soothing actives, though cyclic silicones pose minor environmental concerns.
Hazard categories
Estimated score out of 100
Formulation score is fixed across Selenssa · Community effectiveness awaiting more reports
Based on publicly available ingredients, following our methodology. Not medical advice — always check the physical label, especially for allergies. How we score →
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A highly effective targeted treatment for redness and uneven tone, best used once or twice daily after cleansing.
Be cautious if
May cause minor initial tingling or dryness for highly reactive skin types.
Against your clean standard
Meets clean standards, though cyclic silicones lower its environmental rating slightly.
Where this score comes from
- Source
- No source record on file yet
- Source page
- —
- Retrieved
- —
- Evidence snapshot
- Not captured
Score history
No score changes have been recorded for this product yet.
Think something here is wrong? Report a correction · How we score
Does Paula's Choice 10% Azelaic Acid Booster contain parabens, sulfates or fragrance?
A straight yes or no for the ingredient groups people most often want to avoid, checked against this product's published formulation.
Free from parabens
Preservatives; the longer-chain ones (propyl, butyl) carry the endocrine questions.
Free from sulfates (sls / sles)
Strong cleansing agents that can strip a compromised barrier.
Contains silicones
Found: cyclopentasiloxane, cyclohexasiloxane. Slip and occlusion; cyclic silicones (D4/D5/D6) are the environmentally restricted ones.
Free from fragrance / parfum
Undisclosed fragrance blends are the most common trigger for sensitised skin.
Free from essential oils
Naturally derived, but among the most frequently reported contact allergens.
Contains drying alcohol
Found: phenoxyethanol. Fine in small amounts for texture; high up the list it can dehydrate.
Free from formaldehyde releasers
Preservatives that slowly release formaldehyde.
Free from chemical uv filters of concern
Restricted or debated filters with endocrine or reef-persistence questions.
Is Paula's Choice 10% Azelaic Acid Booster non-comedogenic?
This formulation contains 1 ingredient commonly associated with clogged pores — cetearyl alcohol. That does not make it unsuitable for everyone: comedogenicity depends on concentration, the rest of the formula and your own skin. If you are acne-prone, patch test or choose one of the alternatives below.
Is Paula's Choice 10% Azelaic Acid Booster safe for sensitive skin?
Generally a reasonable choice for sensitive skin.
- No fragrance or parfum in the list
- Contains a drying alcohol
Ingredients worth knowing about: Cyclopentasiloxane, Cyclohexasiloxane.
Can you use Paula's Choice 10% Azelaic Acid Booster while pregnant?
This product contains salicylic acid, which is usually on the list of ingredients people are advised to pause during pregnancy or breastfeeding. Selenssa is not medical advice — check with your midwife, GP or dermatologist before using it.
Paula's Choice 10% Azelaic Acid Booster full ingredients list
17 ingredients analysed, in the order Selenssa assessed them. Concentration generally falls as you move down the list.
Aqua, Azelaic Acid, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Glycerin, Cetearyl Alcohol, Salicylic Acid, Glycyrrhiza Glabra (Licorice) Root Extract, Allantoin, Bisabolol, Cyclopentasiloxane, Cyclohexasiloxane, Adenosine, Tocopherol, Boerhavia Diffusa Root Extract, Phenoxyethanol, Disodium EDTA.
The actives doing the work: Azelaic Acid (Reduces redness, calms inflammation, and fades post-acne marks.); Licorice Root Extract (Soothes irritation and promotes an even, bright complexion.); Bisabolol (Calms sensitive skin and visibly reduces redness.); Salicylic Acid (Gently clears pores and smooths uneven texture.).
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