4% BHA.

Masks & Peels

About this product

A Paula's Choice BHA exfoliant containing 4% salicylic acid, designed to exfoliate the skin and clear congestion.

Full ingredients

Water (Aqua), Butylene Glycol, Dimethicone, Salicylic Acid, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Glycerin, Aminomethyl Propanol, Adenosine, Allantoin, Dipotassium Glycyrrhizate, Vitis Vinifera (Grape) Seed Extract, Avena Sativa (Oat) Bran Extract, Punica Granatum Fruit Extract, Sambucus Nigra Fruit Extract, Camellia Oleifera (Green Tea) Leaf Extract, Camellia Sinensis (Green Tea) Leaf Extract, Chamomilla Recutita (Matricaria) Flower Extract, Lycium Barbarum Fruit Extract, Peucedanum Graveolens (Dill) Extract, Hydrogenated Lecithin, Xanthan Gum, Citric Acid, Disodium Edta, Benzyl Alcohol, Phenoxyethanol

Guru Score

69%

Mixed

3 experts · Moderate agreement

3Gurus

1Approved

2Mixed

0Skip

What they liked

Thoughtful formulation with soothing ingredients

What they flagged

Risk of new dark marks on melanin-rich skin

What the gurus are saying

This 4% isn't for active breakouts (the 2% is), but it's well-formulated with soothing ingredients like oat and green tea. If you have active hyperpigmentation or dark marks, skip it. Your barrier needs to stay calm to fade marks, and irritation will set you back. Those who've used the 2% for six months without irritation and plateaued on texture might try it at 2-3 times weekly, watching for dark marks or sensitivity.

Synthesized from 3 expert reviews · most recent take May 2026

Best for

Oily skin Acne-prone skin

Type

Masks & PeelsLiquid

Key actives

Salicylic acid (BHA)

Formula notes

Fragrance-freeNo drying alcohol

Where to buy

Amazon → Google →

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How it works Independent by design. Every take comes from a creator we have no relationship with. We do not ask anyone to review, and affiliate links never move a score.

What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

All takes Approved takes Critical takes Mixed takes Hide sponsored

April Basi

71k subs

~Mixed

"The 4% BHA is a well formulated product, I'm not saying it's not. Paula's Choice knows what they're doing, and the adenosine and glycerin additions show they thought about the irritation potential, that's actually smart formulating. But for melanin rich skin, the risk benefit calculation is different than it is for someone else. Do not touch the 4% if your main concern is active breakouts or acne, the 2% was specifically formulated for that and the 4% wasn't. If you currently have active hyperpigmentation or dark marks, please do not jump to a higher acid concentration, you need your barrier stable and calm to fade existing marks, irritation will set you back, not move you forward. The 4% might be worth considering only if you have sensitive or reactive skin and you've been using the 2% consistently for at least six months with zero irritation, you've genuinely plateaued on texture and congestion, and your concerns are about refinement and anti-aging rather than reactive breakouts, and even then you should ease in two or three times a week and watch for new sensitivity or dark marks."

No BS Beauty

89k subs

~Approved

"This one's worth checking out so it's got the 4% salicylic acid it also contains oat and then green tea both great for soothing so this one is really nice"

Lab Muffin Beauty Science

861k subs

~Mixed

"I ran out of the Paula's Choice 4% BHA and I didn't really like the texture, and I don't get pimples that often."

What the evidence says.

Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

Salicylic acid

Salicylic acid dissolves in oil, so it can get into a pore rather than just working on the surface. That is why it has long-standing evidence for blackheads and milder acne.

Source: DermNet

Humectants and emollients

Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.

Source: DermNet

Frequently asked.

What is Paula's Choice 4% BHA?

A Paula's Choice BHA exfoliant containing 4% salicylic acid, designed to exfoliate the skin and clear congestion.

Is Paula's Choice 4% BHA worth it?

The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 69%.

What is Paula's Choice 4% BHA's Guru Score?

Paula's Choice 4% BHA holds a Guru Score of 69%. That is our read on how warmly the experts talk about it, based on the verdicts of 3 expert reviewers we have collected.