Humectant

Methylsilanol Mannuronate

Reviewed by Daisy · Last updated 18 Aug 2026

Silicone-algae complex for firming and elasticity

Addresses

loss of firmness, ageing, sagging

What Is Methylsilanol Mannuronate?

Methylsilanol Mannuronate combines organic silicon with mannuronic acid from brown algae. This innovative complex supports skin structure by promoting collagen and elastin integrity while providing firming benefits.

The silicon component helps maintain connective tissue while the algae-derived mannuronate provides additional skin-supporting properties. Together they offer comprehensive anti-ageing benefits.

How widely it's used

0.1%
of skincare products contain this ingredient — placing it in the top 50% of most-used ingredients.
Most common in: Treatments Moisturisers

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
METHYLSILANOL MANNURONATE
EC Number
310-104-0
Function
Antistatic, Skin Conditioning

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