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Paula's Choice

Paula's Choice Skin Perfecting 4% BHA Advanced Exfoliating Serum Toner 30ml

A potent leave-on BHA exfoliating serum-toner targets stubborn congestion roughness & signs of aging—for clearer, smoother & younger-looking skin.

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$39.00


Dispatching from May 10, 2026

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Image 1 - A side-by-side comparison image of a persons face shows a significant reduction in blemishes and shine; the left side, labeled BEFORE, displays more visible acne and a shinier complexion, while the right side, labeled AFTER 4 WEEKS, shows fewer and less prominent blemishes and a matte complexion, with the accompanying text Less surface shine + fewer visible blemishes. Image 2 - A before and after comparison image shows the lower half of a persons face, with the left side marked BEFORE displaying skin with some visible pores and minor imperfections, and the right side marked AFTER 4 WEEKS showing smoother skin with reduced pore visibility, under the title Brighter-looking tone + less visible pore congestion. Image 3 - Close-up of a persons face with a dropper applying serum to their cheek, with the text Powerful Yet Gentle, Targets signs of aging with our highest dose of BHA, Unclogs deep buildup and refines texture, Results in smoother, younger-looking skin. Image 4 - A clear dropper is in a puddle of clear, textured serum with white flecks on a dark surface, with the text Serum texture for non-irritating penetration. Image 5 - A dark grey product bottle with a white cap is shown on the right, labeled Paulas Choice Exfoliate Skin Perfecting 4% BHA Advanced Exfoliating Serum Toner Salicylic Acid + Antioxidants All Skin Types 30 ml / 1 fl. oz., and on the left, text states Refined Skin, Powered By: 4% Salicylic Acid Visibly smooths bumps & unclogs deep buildup, Adenosine Softens fine lines & helps soothe skin, Glycerin Locks in hydration & supports skins barrier. Image 6 - A person holds a dark gray bottle of Paulas Choice 4% BHA Advanced Exfoliating Serum Treatment with a dropper, from which a drop is falling, next to instructions that read HOW TO USE Apply to clean skin, avoiding eye area. Leave on; do not rinse. To start, use 1-2x a week, then daily/as tolerated. For daytime, follow with sunscreen. Image 7 - A comparison chart displays three Paulas Choice BHA product bottles and their characteristics, with text reading: WHICH BHA IS BEST FOR YOU? 1% BHA (Gel) Targets redness & sensitivity Sensitive Skin With prebiotics to promote a healthy microbiome 2% BHA (Liquid) Targets pores & dullness All Skin With green tea to hydrate and support skins barrier 4% BHA (Serum) Targets texture & fine lines Aging Skin With adenosine to improve visible appearance of wrinkles. Image 8 - An image displays a black bottle of Paulas Choice Skin Perfecting 4% BHA Advanced Exfoliating Serum Toner and a magenta jar of Paulas Choice Pro-Collagene Peptide Plumping Moisturizer on a grey background with a silver stripe, featuring on-screen text that reads GREAT SKIN STARTS WITH EXFOLIATION, Pair together for plumped, glowing skin, 4% BHA Targets uneven texture, Pro-Collagen Peptide Plumping Moisturizer Visibly plumps & improves bounce, and the product labels EXFOLIATE PAULAS CHOICE SKIN PERFECTING 4% BHA Advanced Exfoliating Serum Toner SALICYLIC ACID + ANTIOXIDANTS All Skin Types 30 ml / 1 fl. oz. and PEPTIDE PAULAS CHOICE Pro-Collagen Peptide Plumping Moisturizer 3 PEPTIDES GEL-CREAM PLUMPS & RESTORES BOUNCE 50 ml / 1.7 fl. oz.

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