Methylsilanol Hydroxyproline Aspartate
A silicon complex with amino acids. The maker links it to skin firmness; independent data are limited. Well tolerated.
Evidence by route
Topical application
A silicon active. Well tolerated; independent data limited.
- CIR Cosmetic Ingredient Review safety assessment
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Methylsilanol Hydroxyproline Aspartate is a silicon complex with amino acids (hydroxyproline and aspartate), listed in INCI under the same name. The manufacturer presents it as a conditioner tied to skin firmness, usually in anti-aging products. As an active it is worth being honest: independent data are scarce. The idea that organic silicon improves firmness comes mostly from the brand, not from solid clinical studies. It is better seen as a supporting component with a modest effect, not an active with proven evidence. Applied topically it has no systemic relevance, so it can be used during pregnancy and breastfeeding. Tolerance is good, with low irritation and allergy potential. In practice it is well tolerated and rarely causes reactions.
Frequently asked questions
Is Methylsilanol Hydroxyproline Aspartate safe during pregnancy?
Methylsilanol Hydroxyproline Aspartate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Methylsilanol Hydroxyproline Aspartate for?
Methylsilanol Hydroxyproline Aspartate suits: normal, dry, combination, oily, sensitive.
What is Methylsilanol Hydroxyproline Aspartate and what does it do in cosmetics?
A silicon complex with amino acids.
What's the INCI name for Methylsilanol Hydroxyproline Aspartate?
The INCI name is Methylsilanol Hydroxyproline Aspartate.
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