Silica (Silicon) and skin

What 2 graded rows on silica (silicon) agree on for skin, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Silica (Silicon) page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Silica (Silicon) page, with its PubMed record.

Supplement

Silica (Silicon) Choose another

2 rows · 72 people

They agree: both rows found an improvement.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

The best-graded row, grade D, is a randomized trial of 50 people (2005) and found an improvement.

The rows run from 22 to 50 people, published from 2005 to 2018: 2 single studies.

2 improved

Grade DSkin roughness and hair and nail brittleness · Improved
RCT · n 50 · 2005 · Women with sun-damaged facial skin
10 mg silicon/day · 20 weeks
Skin roughness fell with ch-OSA (Rt −16%, Rm −19%) but rose with placebo (+8%, +11%), a significant difference; self-rated hair and nail brittleness fell vs baseline in the ch-OSA group.
Row on the Silica (Silicon) page · PubMed 16205932 (opens PubMed)
Grade DSkin firmness, hydration and texture · Improved
RCT · n 22 · 2018 · Adults wanting to improve skin appearance
600 mg/day of the product (silicon content not stated in the abstract) · 90 days
Clinician-rated texture, firmness and hydration improved more than with placebo; standardized photographs showed no difference, and no side effects were seen.
Row on the Silica (Silicon) page · PubMed 28941141 (opens PubMed)