Salicylic Acid
BHA, Beta Hydroxy Acid
AStrong clinical evidence (multiple RCTs)Safety: Use with caution
Chemical Function
Oil-soluble BHA that clears pores and calms inflammation.
Scientific Evidence
RCTs show comedone reduction and anti-inflammatory action.
Quality of EvidenceStrong
Interactions
Avoid with strong retinoids in one step; can be drying — follow with moisturizer.
Pro-Aging Relevance
Decongests pores that can enlarge and change with hormonal shifts.
The Science Behind Salicylic Acid
Salicylic acid is oil-soluble, so it cleans inside the pore rather than just the surface. It suits combination or breakout-prone mature skin and has built-in anti-inflammatory action.
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