Azelaic acid: the quiet ingredient for redness, marks and skin after 40

Azelaic acid is a gentle ingredient that often suits skin that finds other actives too harsh. It is well known in skincare for sensitive skin, and it fits the combination many people notice after 40: redness, lingering marks and blemish-prone skin that can't take much more.

what it does

Azelaic acid is a dicarboxylic acid that also occurs naturally on skin. In cosmetic skincare it helps in three ways: it helps calm the look of redness, it helps even the look of post-blemish marks so skin tone looks more uniform, and it helps keep pores looking clear without harsh surface exfoliation.

why it suits skin after 40

The fastest-acting blemish ingredients are often the ones that skin after 40 tolerates least. Azelaic acid tends to be the exception, because it works gently. That tolerance matters: it's the difference between something you use every night for three months and something you give up on after a week.

On mature skin, the mark a breakout leaves can stay longer than the breakout itself.

about those marks

Younger skin renews faster, so marks tend to fade sooner. After 40, renewal slows and marks can hang around for longer. That's why evening the look of marks matters as much as keeping breakouts in check.

where you'll find it

Azelaic acid is one of the key ingredients in Encap S+, alongside encapsulated salicylic acid, niacinamide and ectoin, formulated for breakout-prone skin after 40. If you have a diagnosed skin condition such as rosacea, follow your doctor's advice.

Educational content, not medical advice. Our products are cosmetics and are not intended to treat any skin condition. If you have persistent or severe breakouts, speak to a doctor. Individual results vary.