Paula's ChoicetonerpH 3.2 – 3.8 • $35.00 (118ml)

Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant

The benchmark global beta-hydroxy acid liquid exfoliant that dissolves pore-clogging sebum and reduces blackheads and enlarged pores.

Obstetric SafetyConcentration Dependent

Contains concentration-dependent ingredients (Salicylic Acid (BHA) (WATCH)). Rinse-off formulations are often cleared by OB-GYNs, while leave-ons should be verified.

Always confirm with your OB-GYN.
Malassezia (Fungal Acne)⚠ Triggers Detected

Contains lipid triggers: Polysorbate 20.

Safe for pityrosporum folliculitis? No
Viscosity Application OrderStep 2 of 7 • PM

Texture: Fast-Absorbing Slippery Liquid. Apply strictly in order of thinnest water to thickest cream.

pH: 3.2 – 3.8
Formulation BalanceGentle & Hydrating

1 Actives • 7 Functional • 0 Watchlist

8 Total Ingredients

Layering Protocol: What NOT to Mix With This Bottle

Avoid Concurrent Application With:
  • ✕Retinol (concurrent night)
  • ✕Peptides (pH hydrolysis)
  • ✕Pure Vitamin C
Recommended Synergistic Pairings:
  • ✓Hyaluronic Acid
  • ✓Ceramide Cream (sandwich recovery)
Want to test this bottle with another specific product on your shelf?Open Active Conflict Matrix→

Full INCI Ingredient Declaration

Decoded using Miko's pharmacological database (8 ingredients detected).

Zero Chemophobia • Evidence-Based
Purified Water (Aqua)(Water (Aqua))Base & Solvent

Deionized, ultra-purified solvent that serves as the delivery vehicle for hydrophilic actives and humectants.

neutralPore: 0/5
MethylpropanediolBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Glycol / Propanediol Solvent(Butylene Glycol)Base & Solvent

Multifunctional diol that dissolves active ingredients, improves spreadability, and acts as a lightweight humectant.

neutralPore: 0/5
Salicylic Acid (BHA)(Salicylic Acid)Exfoliant

Oil-soluble beta hydroxy acid that selectively dissolves intracellular lipid bonds inside sebaceous ducts to clear microcomedones.

goodPore: 0/5
Polysorbate (Emulsifier)(Polysorbate 20)Emulsifier & Texture

Standard cosmetic solubilizer. Chemically contains fatty acid chains that feed Malassezia yeast in fungal-acne-prone profiles.

neutralPore: 1/5
Camellia Oleifera (Green Tea) Leaf ExtractBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Sodium HydroxideBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Chelating Agent(Tetrasodium EDTA)Preservative & Chelator

Sequesters trace mineral ions from water supplies, preventing formula rancidity and preserving active stability.

neutralPore: 0/5
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