Methylsilanol Mannuronate
What Methylsilanol Mannuronate is & what it does
Methylsilanol Mannuronate is a water-soluble organosilicon compound that pairs an organic silicon (silanol) group with mannuronic acid, a sugar acid derived from algae. In skincare and sunscreen formulas it is used mainly as a conditioning and hydrating agent, often marketed for a smoothing, firming feel on the skin. Its silicon content is the notable feature that distinguishes it from a plain sugar-acid humectant.
What does Methylsilanol Mannuronate do in skincare?
Methylsilanol Mannuronate is used mainly as a hydrating and skin-conditioning agent. It combines an organosilicon group with a sugar acid sourced from algae, and formulas often pair it with claims of a smoothing, firming feel. Its role is supportive rather than that of a primary sunscreen filter.
Is Methylsilanol Mannuronate safe?
Methylsilanol Mannuronate is used as a cosmetic conditioning ingredient and is generally well tolerated at the levels found in skincare. As an organosilicon sugar-acid compound it is water-soluble and intended for topical use. Individual sensitivities vary, so patch testing a new product is a reasonable precaution.
Is Methylsilanol Mannuronate natural or synthetic?
It is best described as semi-synthetic. The mannuronic acid portion is derived from algae, a natural source, while the methylsilanol (organosilicon) portion is produced through chemical synthesis. The final ingredient is a processed compound rather than a raw botanical.
Sunscreens with Methylsilanol Mannuronate
We rate 7 sunscreens that contain it:
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Babaria Senstive Fluid SPF 50+
85/100
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Ziaja Goat's Milk Ultralight Face Cream SPF 15
82/100
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Babaria Facial Sun Cream SPF 50 Aloe Vera
79/100
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cute press UV Expert Protection Aqua Splash Spf 50+ Pa+++
74/100
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Macqueen UV Daily Sun Cream SPF 50+ Pa+++
74/100
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Valmont Daily Veil Moisturizing Face Fluid Mineral SPF 30
68/100
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La Chinata Crema De Manos Y Uñas Antiedad SPF 8
61/100