Diamond powder is a finely milled inert mineral used in skincare primarily as a physical exfoliant and light-reflecting agent to give skin a smoother appearance and subtle radiance. It has no biochemical activity and functions mechanically rather than as a treatment active.
| Reported effect | How often | Notes |
|---|---|---|
Mechanical irritation or micro-abrasion | Uncommon | More likely with coarse particles or vigorous scrubbing, especially on sensitive or compromised skin. |
Redness or transient erythema | Uncommon | Usually due to friction during application rather than the material itself. |
Allergic or contact sensitivity reaction | Rare | Diamond is chemically inert, so reactions are typically attributed to other formulation components. |
Compromised skin barrier with overuse | Rare | Frequent abrasive exfoliation can disrupt the stratum corneum. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.