POLYQUATERNIUM-7
Is POLYQUATERNIUM-7 safe for seborrheic dermatitis?
Polyquaternium-7 is generally a lower-concern ingredient for seborrheic dermatitis. It is used to improve softness, slip and manageability in cleansers or hair products rather than to treat the skin condition.
The full shampoo or wash can still be too fragranced or cleansing for an active flare. The checked sources provide no yeast-specific finding that changes the rating. Stop using a product if it repeatedly increases scalp itching, tightness or redness.
Community Signals
Loading community reports…
What is it?
A quick identity check, separate from the seb derm guidance above.
01 / 05- Material type
- Antistatic and film-forming ingredient
- Cosmetic function
- Antistatic, Film Forming
What is POLYQUATERNIUM-7 used for in skincare?
Polyquaternium-7 is an antistatic and film-forming polymer that can leave hair or skin feeling smoother after cleansing. It often offsets some roughness from a surfactant system. This conditioning role improves product feel without making it a seb derm active.