A concentrated extract from fine marine silt containing natural minerals and microelements. It's incorporated in masks and cleansers for a mattified look, deep-clean feel, and skin conditioning with a fresh finish.
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Sea Silt Extract a Good Ingredient?
Fair, because it offers a real oil-absorbing and purifying feel, but evidence for skin benefits is limited and mainly comes from rinse-off formats. It may dry or irritate sensitive skin, especially in leave-ons or with abrasive application, which caps the rating.
What it does
Skin Benefits
Helps absorb excess oil for a more matte finish and a purified feel, though evidence is limited. It may mildly refine texture in rinse-off applications.
Where you'll find it
Uses in Skincare & Cosmetics
Featured in purifying masks and deep-clean cleansers, and sometimes added to mattifying lotions or primers for oily areas.
Before you use it
Safety
Potential for dryness or mild irritation, particularly on sensitive or compromised skin; best tolerated in rinse-off or mask formats. Patch testing is advisable. No widely recognized regulatory limitations for cosmetic use.