01.
Concentration guide
0.5-2% for daily use.
2% is the maximum over-the-counter concentration.
Use every other day to start.
What is salicylic acid?
Beta-hydroxy acid for oily, congested, acne-prone skin. Clears pores where surface exfoliants can't reach.
Salicylic acid is a beta-hydroxy acid (BHA) derived originally from willow bark. Oil-soluble, which means it penetrates pores and dissolves congested sebum — where water-soluble AHAs can't reach.
Best for blackheads, whiteheads, and acne-prone skin. Also excellent for keratosis pilaris on arms.
Over-use strips skin. Start slow.
The method
02.
Apply at night after cleansing
Can burn in sun — night application only for most users.
Follow with moisturiser.
03.
Don't mix with retinol or vitamin C
Alternate nights — salicylic one night, retinol the next.
Moisturise between uses.
Common questions
Can I use this every day?
Depends on your skin and concentration. Start 2-3x/week, build up.
When will I see results?
8-12 weeks for most actives. 4-6 weeks for niacinamide. Retinol: 12-16 weeks.