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Paula's Choice
BHA 9 Treatment
A chemical exfoliant built around BHA and Salicylic acid, for hydration and barrier repair.
Brand price
USD 45.00 · checked 8 Oct 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Sensitive skin
- Acne & blemishes
- Redness & rosacea
- Dark spots & pigmentation
- Dryness & dehydration
- Large pores
- Uneven texture
How to use
At night, apply as a leave-on spot treatment for stubborn imperfections. Dispense a very small amount of BHA 9 onto a clean fingertip, and massage a thin layer over affected areas. Suitable for use around the eyes, but avoid contact with eyelids and do not apply along the lower lashline. Experiment to see which method works best for your skin concerns. May be applied over larger areas if needed. Reduce frequency of usage if irritation or flaking occurs.
Caution
If you have a salicylate allergy, check with your physician before using any products that contain salicylic acid.
What's inside
Ingredients List
2 trigger at least one check · 10 trigger none
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Key Ingredients
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Avena Sativa Kernel Extract, Boerhavia Diffusa Root Extract, Glycerin, Propylene Glycol
Anti-Pollution3
Helps defend against airborne pollutants.
Avena Sativa Kernel Extract, Boerhavia Diffusa Root Extract, Glycerin
Concerns
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Ingredients Explained
Click on any ingredient to learn more about it
Propylene Glycol
Fragrance, Humectant, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Propylene Glycol is the aliphatic alcohol that conforms generally to the formula
Learn more about Propylene Glycol →PEG-75 Stearate
Cleansing
PEG-75 Stearate isn't fungal acne safe.
Learn more about PEG-75 Stearate →PEG-8
Humectant, Solvent
.Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)
Learn more about PEG-8 →Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Salicylic Acid
Anti-seborrheic, Fragrance, Hair Conditioning, Keratolytic, Preservative, Skin Conditioning
Salicylic Acid is a BHA.
Learn more about Salicylic Acid →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Avena Sativa Kernel Extract
Abrasive, Antioxidant, Skin Conditioning, Emollient
Avena Sativa Kernel Extract is colloidal oatmeal.
Learn more about Avena Sativa Kernel Extract →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Boerhavia Diffusa Root Extract
Skin Protecting
Boerhavia Diffusa Root Extract is the extract of the roots obtained from the Red spiderling, Boerhavia diffusa L., Nyctaginaceae
Learn more about Boerhavia Diffusa Root Extract →Arginine
Antistatic, Fragrance, Hair Conditioning, Skin Conditioning
L-Arginine
Learn more about Arginine →
Dupes
- Paula's Choice 2% BHA Lotion Exfoliant63% match
- Paula's Choice Regular Strength Anti-Redness Exfoliating Solution With 2% Salicylic Acid63% match
- Paula's Choice 2% BHA Gel Exfoliant60% match