Clay is a naturally occurring mineral material (e.g., kaolin, bentonite, montmorillonite) used in skincare to absorb excess sebum, impurities, and surface debris, commonly found in masks and cleansers. It also acts as a thickening and texturizing agent in formulations.
| Reported effect | How often | Notes |
|---|---|---|
Skin dryness or tightness | Common | Due to absorption of natural oils, especially with frequent use or on dry skin. |
Skin irritation or redness | Uncommon | May occur in sensitive skin, sometimes from prolonged contact or over-drying. |
Allergic contact dermatitis | Rare | Possible reaction to clay itself or accompanying additives/fragrances. |
Heavy-metal contamination concerns | Very rare | Some natural clays may contain trace minerals; quality-controlled cosmetic grades minimize risk. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.