Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant - 118ml

Yes, many users can build up to twice-daily use, but it is recommended to start once a day or every other day.

While it is excellent for surface-level clogs and blackheads, deep cystic acne may require additional targeted treatments or professional advice.

No, this is a leave-on exfoliant; it is designed to be absorbed into the skin to work effectively.

It is gentle, but those with sensitive skin should perform a patch test and introduce it very gradually to monitor for irritation.

You can, but it is generally better to use them at different times of the day (e.g., BHA in the morning, Retinol at night) to prevent potential irritation.

No, salicylic acid is chemically related to salicylates found in aspirin; consult your doctor if you have an allergy.

Reduce usage frequency to a few times a week and ensure you are following up with a hydrating moisturizer.

This is often 'purging,' where the BHA brings underlying congestion to the surface. Continue consistent use for 2-4 weeks to let the process complete.

Your skin barrier may be compromised. Discontinue use for a few days, focus on barrier repair, and restart slowly.