Blemish-prone or redness-prone skin? How to tell the difference
Blemish-prone and redness-prone skin can look similar at first glance, but they are different concerns that call for different product concepts. Knowing the difference helps brands position their formulations and their claims correctly.
Blemish-prone skin
Blemish-prone skin is linked to congested, irritated sebaceous glands. It shows as red bumps, whiteheads and blackheads, typically on the face, neck, back and chest. It is most common between the ages of 15 and 25, and can leave post-blemish marks that fade slowly.
Redness-prone (rosacea-prone) skin
Redness-prone skin is related to the expansion of small blood vessels. The dominant feature is diffuse redness, especially on the nose and cheeks, often accompanied by flushing and a feeling of sensitivity. It typically appears after the age of 30 and does not usually leave marks. Common triggers include heat, sunlight, alcohol, spicy food and certain cosmetics; around half of those affected also experience sensitive eyes.
How to tell them apart
- Main feature: blemishes and clogged pores vs. diffuse redness and flushing
- Typical age: adolescence and young adulthood vs. 30+
- Aftermath: possible post-blemish marks vs. usually none
- Both can be persistent, and for medical concerns, a professional diagnosis is always the right advice for the end consumer
What this means for formulators
The two concerns require different positioning: clarifying, oil-balancing concepts for blemish-prone skin versus calming, barrier-conscious concepts for redness-prone skin. Interestingly, azelaic acid is relevant in both territories, it supports clearer-looking skin in blemish-prone routines and helps reduce the look of redness in sensitive-skin concepts, which is why it appears in both of our application areas.
Read more: active ingredients for skin prone to rosacea and ingredients for skin prone to acne.
