Paula's Choice 10% Azelaic Acid Booster Gel-Serum, 1 fl oz — Oil-Free, Fragrance-Free with Salicylic Acid

Paula's Choice BOOST 10% Azelaic Acid Booster is a lightweight, oil-free gel-serum designed to reduce the appearance of discoloration, calm redness, and help clear pores for a more even, smoother complexion.

This targeted booster blends 10% azelaic acid with supportive actives—salicylic acid (BHA) and licorice extract—in a fragrance-free, fast-absorbing base. It can be used alone as a corrective treatment or mixed with your moisturizer to amplify results without adding oil or sticky residue. The formula aims to address post-blemish marks, uneven tone, and visible redness while remaining suitable for layering into both morning and evening routines when paired with SPF during the day.

How quickly can I expect to see improvements in dark spots and post-blemish marks?

Results vary by person, but many users notice gradual fading of discoloration within a few weeks of consistent use. Azelaic acid works by targeting pigmentation and surface discoloration while salicylic acid promotes gentle exfoliation for clearer skin texture.

• Use twice daily for consistent action on pigmentation.
• Combine with daily SPF to protect fading spots from darkening.
• Expect progressive improvement over several weeks rather than an immediate fix.

Can I layer this booster with other treatments like benzoyl peroxide or retinoids?

Yes—this oil-free booster is formulated to mix with moisturizers or be used alongside other acne-fighting products. Because it contains active acids, introduce combinations gradually to monitor skin tolerance and avoid irritation.

• Add a few drops to moisturizer for milder, all-over benefits.
• When pairing with benzoyl peroxide, use on alternating spots or start slowly to assess sensitivity.
• If using potent retinoids, reduce frequency initially to minimize over-exfoliation.

Is this product suitable for sensitive or acne-prone skin?

The formulation is fragrance-free and oil-free, designed to be gentle yet effective on many skin types, including oily and acne-prone skin. Licorice extract and azelaic acid help soothe visible redness while salicylic acid assists in clearing pores.

• Fragrance-free formula reduces risk of irritation for sensitive skin.
• Oil-free texture avoids adding pore-clogging ingredients.
• Patch-test new combinations if you have very reactive skin.

How should I use the booster in my daily skincare routine?

Apply alone as a targeted serum or mix a few drops into your moisturizer morning and evening. When used during the day, follow with broad-spectrum sunscreen to protect treatment areas and prevent hyperpigmentation from returning.

• Cleanse and tone first, then apply booster alone or mixed into moisturizer.
• Use twice daily for best results; reduce frequency if irritation occurs.
• Always finish daytime routine with SPF 30 or higher.

Who this is for: Paula's Choice BOOST 10% Azelaic Acid Booster Gel is intended for people seeking a non-greasy, fragrance-free treatment to fade dark spots, calm redness, and help unclog pores. It suits those with uneven tone, post-blemish marks, oily or combination skin, and anyone wanting a flexible booster they can layer with their existing serums and moisturizers. If you have extremely sensitive or severely compromised skin, consult a dermatologist before combining multiple actives.

Ingredients

Water (Aqua), Azelaic Acid, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Methyl Glucose Sesquistearate, Glycerine, 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