Biotin / Cysteine / Silicon Dioxide
This multi-ingredient supplement combines biotin, cysteine, and silicon dioxide to support hair, skin, and nail health. Biotin and cysteine are commonly used together in beauty supplements as they are believed to contribute to keratin production and structural integrity of these tissues. Silicon dioxide serves as an inactive anti-caking agent in this formulation.
A dietary supplement combining biotin and cysteine marketed to support hair, skin, and nail health.
Key facts at a glance
- RxNorm
- 1007991
- Generic
- Biotin / Cysteine / Silicon Dioxide
- Class
- multi-ingredient
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
This supplement is commonly used to support healthy hair, skin, and nail growth and appearance. It may be taken by individuals experiencing brittleness, hair loss, or skin concerns, though evidence for these uses varies.
Biotin acts as a coenzyme in fatty acid synthesis and amino acid metabolism, while cysteine is an amino acid component of keratin, the protein that forms hair, skin, and nails. Together, they may support the structural integrity and growth of these tissues, though specific mechanisms are not fully established.
This is a dietary supplement, not a prescription medication. It is generally well-tolerated but may cause mild gastrointestinal symptoms in some individuals. Consult a healthcare provider before use, especially if pregnant, nursing, or taking other medications. Always follow the manufacturer's recommended dosage.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 28, 2026. · Read our editorial policy