Solum Fullonum, also known as fuller's earth, is a naturally occurring clay rich in aluminum-magnesium silicates used in skincare as an absorbent, mattifying, and cleansing agent. It is commonly incorporated into masks and cleansers to help draw out excess sebum and impurities.
| Reported effect | How often | Notes |
|---|---|---|
| Skin dryness or tightness | Common | Due to its strong oil-absorbing and astringent properties, particularly with overuse. |
| Mild skin irritation or redness | Uncommon | More likely in sensitive or already dry skin types. |
| Allergic contact dermatitis | Rare | Hypersensitivity reactions are infrequently reported. |
| Respiratory irritation from inhaling powder | Rare | Relevant mainly when handling dry, loose powder forms. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.