Comparison

Paula's Choice BHA vs Differin Adapalene

A leave-on BHA exfoliant compared with an OTC adapalene gel — two different routes people use for clogged pores, blackheads and uneven texture.

Quick verdict

Paula's Choice 2% BHA Liquid Exfoliant is the comparison for ongoing pore congestion and blackheads — a chemical exfoliant you can use on oily, clog-prone areas. Differin (adapalene 0.1%) is a retinoid often used for blackheads, whiteheads and texture over weeks of consistent use. BHA can feel more immediate for surface congestion; adapalene is the longer-horizon retinoid route. Do not start both at full strength on the same night.

Side by side

Show only differences

	Paula's Choice 2% BHA Liquid Exfoliant Paula's Choice	Differin Adapalene Gel 0.1% Differin
Status	published	published
Key actives	Salicylic acid (2%)	Adapalene (0.1%)
Compared for	Whiteheads, Blackheads	Whiteheads, Blackheads, Occasional pimples
Product type	Serums	Serums, Acne creams
Formulation	—	fragrance-free
Routine	—	Evening · Pea-sized amount after cleansing, before moisturiser
May suit	—	Blackheads and whiteheads, People starting a retinoid for the first time, Congestion-prone skin
May want something else if	—	Very sensitive skin without a slow introduction, Use during pregnancy without medical advice
Pros	—	0.1% adapalene in a simple gel, Widely available OTC in the US, Often compared with other adapalene products
Cons	—	Can cause dryness and peeling at first, Daily SPF is essential, Status varies by country
Availability	available	available
Guide price	USD 34–38	—

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Detailed comparison

Paula's Choice 2% BHA Liquid Exfoliant is a leave-on salicylic acid product. Salicylic acid is oil-soluble and often discussed for blackheads and rough, congested pores. It is widely available in the US, UK and Australia.

Differin Adapalene Gel 0.1% is an over-the-counter retinoid in several markets. Adapalene helps normalise skin cell turnover and is often compared for comedonal acne (blackheads and whiteheads). It commonly causes dryness or irritation when first introduced.

These actives work differently. Some experienced routines alternate or use BHA on some nights and retinoid on others, but beginners should introduce one at a time. See our benzoyl peroxide vs salicylic acid ingredient comparison for the wider BHA context.

FAQs

Can I use BHA and adapalene together?

Some people alternate them on different evenings once their skin tolerates each active. Using both at full strength in one routine can irritate skin when you are starting out. This is general information, not medical advice.

Which is better for blackheads?

Both are compared for blackheads and clogged pores, but through different mechanisms — BHA as an exfoliant and adapalene as a retinoid. Skin tolerance and consistency matter. This is general information, not medical advice.

Which should a beginner try first?

Many beginners introduce one active at a time. A BHA may feel more familiar as a leave-on exfoliant; adapalene requires a slower ramp and daily SPF. A pharmacist can help if you are unsure. This is general information, not medical advice.