“Closest scrub-cleanser evidence: physical exfoliating particles removed aged stratum corneum, reduced skin surface roughness, and increased skin conductance/hydration in vivo; not specific to hydrated silica.”
Hydrated Silica Scrub (150Mesh)
Cosmetics
Code: 253033
Fine scrub grade hydrated silica (150 mesh)
Hydrated Silica Scrub (150Mesh) is a white spherical silica bead that provides a fine, gentle scrub feel—ideal for facial/sensitive‑skin scrubs.
At ~150 mesh the particles are smaller than 60–100 mesh, giving smooth glide and low abrasiveness for delicate areas.
Silica beads are inert and insoluble; abrasion is controlled by mesh size rather than sharp edges.
Mesh options & relatives
60 mesh | 70 mesh | 100 mesh | 150 mesh (this page)
Usage: Facial scrubs; sensitive‑skin polish; gentle cleanser scrubs.
How to mix:
- Add during cool‑down (40°C) and fold gently.
- Disperse evenly to minimize settling in gels/cleansers.
- Avoid strong shear.
Usage rate: 1–10%
Product Description: White spherical particles, fine (~150 mesh); free‑flowing; odorless.
Solubility: Insoluble; dispersible.
Storage: Cool, dry place (15–25°C); avoid humidity.
INCI Name: Hydrated Silica
- White spherical particles, fine (~150 mesh)
- Room (25-40C)
- 36 Months from manufacturing or testing date.
- 1.00% - 10.00%
- 3.00%
- Add at last step. Avoid temperature above 40C.
- Heat Tolerant
- 3.00 - 10.00
- Dispersible in powder
- Scrub, Cleanser, Facial Cleanser
- -
| Test Name | Specification |
|---|---|
| Appearance | White spherical particle |
| Particle size (mesh) | 100-200 |
| Spherical particle ratio | ≥ 85% |
| Heating decrement (at 105°C, 2h) | ≤ 4% |
| Specific surface | 300-550 m2/g |
| Stacking density | ≥ 230 g/L |
| Abrasion | ≤ 14 |
| Total bacterial count | < 100 cfu/g |
| Total aerobic microbial count | ≤ 50 cfu/g |
“Closest bead-scrub evidence: gel scrubs containing exfoliating beads showed in vivo exfoliating efficacy, skin renewal assessment, and user satisfaction; not specific to hydrated silica.”
“Silica-family dermal-application safety evidence: spherical amorphous silica particles had minor cellular effects versus crystalline silica and negligible effects in a 3D skin model; supports gentle inert-particle positioning rather than direct exfoliation efficacy.”
“Closest mechanical exfoliation evidence: controlled microdermabrasion selectively removed stratum corneum with little deeper-tissue damage and increased skin permeability; stronger procedure than cosmetic 150-mesh scrub, so benefit is ingredient-family/mechanism-adjacent.”
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