Pore-clogging ingredients / Red Algae
Is Red Algae comedogenic?
Yes. This is one of the most pore-clogging ingredients on record.
- Comedogenic rating
- 5/5
- Severely comedogenic
- Evidence confidence
- moderate
- Most published lists include this ingredient, with ratings that vary by about one point.
- Also appears as
- red algae extract, rhodophyta
What to do if you're acne-prone
Avoid it in any product if you're acne-prone, including rinse-off products and haircare that touches your face. At this rating, concentration rarely saves a formula.
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Check a product freeOther ingredients rated 5/5
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- Myristyl Myristate
- Ethylhexyl Stearate
Comedogenicity ratings come from published ingredient studies and esthetician-compiled lists. They are imperfect and formulation-dependent, and this page isn't medical advice. Reactions vary by skin, concentration, and the rest of the formula.