Dimethylsilanol
Low-molecular-weight organosilicon compound. Base for derivatives like Dimethylsilanol Hyaluronate; rarely appears in formulas pure – usually a residual from synthesis. Marketed as «organic silicon» with anti-inflammatory potential, but few direct clinical RCTs.
Evidence by route
Topical application
Insufficient direct clinical data on pure dimethylsilanol. Skin-strengthening claims rely on studies of derivatives, not the monomer itself.
- CIR Cosmetic Ingredient Review safety assessment.
How to read tiers A–F
- DNo data, or very weak or conflicting data
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Caution
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Dimethylsilanol is a low-molecular-weight organosilicon compound. Rarely appears in cosmetic formulas in pure form – usually as a residual from synthesis of derivatives like dimethylsilanol hyaluronate, or in formulas with an 'organic silicon' marketing angle. Mechanism. Manufacturers market it as a 'bioavailable silicon form' with anti-inflammatory potential and collagen synthesis stimulation. In lab models silicon-organic compounds suppress metalloproteinase activity (MMP-1, MMP-2), which theoretically slows collagen degradation. Direct skin effect in patient RCTs is not confirmed. Where applied. Anti-aging serums and creams with 'organic silicon' marketing, niche French brands (LPG, Esthederm), lines with a 'silicon for skin' focus. In Spain it appears rarely, in niche anti-aging formulas. Evidence base. No human RCTs confirming an anti-aging effect. Marketing claims rely on in vitro data and general ideas about silicon's role in connective tissue synthesis. Safety. CIR has not issued a direct evaluation specifically for dimethylsilanol. By the profile of related organosilicon compounds, safety is normal, but the pure molecule is rarely used in cosmetics. Pregnancy – with caution. Direct data are insufficient. Manufacturers prefer to recommend it to non-pregnant patients. Best suited to: mature non-sensitive skin within multi-ingredient formulas. Not a primary active – a marketing ingredient with a limited evidence base.
Frequently asked questions
Is Dimethylsilanol safe during pregnancy?
Dimethylsilanol should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
What skin types is Dimethylsilanol for?
Dimethylsilanol suits: normal, dry, combination, oily, sensitive.
What is Dimethylsilanol and what does it do in cosmetics?
Low-molecular-weight organosilicon compound.
What's the INCI name for Dimethylsilanol?
The INCI name is Dimethylsilanol.
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