
Formulator’s Queries, We Answered
What is Biotin? What is its CAS number and INCI name?
Biotin, also known as Vitamin B7 or Vitamin H, is a water-soluble B-complex vitamin. Its CAS number is 58-85-5, and its INCI name (International Nomenclature of Cosmetic Ingredients) is “Biotin.”
What are the main functions / benefits of biotin in personal care formulations?
Hair conditioning: Biotin is commonly used in shampoos and hair-care products to strengthen hair, improve keratin structure, and reduce brittleness.
How is biotin incorporated into formulations? Is it soluble?
Biotin is available in crystalline powder form. According to suppliers, it is soluble in water
What concentrations of biotin are typically used in cosmetics, and is it safe?
According to a safety assessment, the maximum leave-on concentration for biotin in cosmetic products is 0.1%, for example in face or neck preparations.
Are there any known side effects or risks associated with topical biotin use?
In general, biotin is considered safe in cosmetics at the allowed concentrations