★What is Vitamin H Powder and why is it used in cosmetic formulations?
Biotin, also known as Vitamin H or Vitamin B7, is a water-soluble vitamin widely used in cosmetic and personal care products. It plays a key role in supporting keratin infrastructure, making it especially valuable in hair care, scalp treatments, and nail-strengthening formulations designed for improving overall appearance and durability.
★What are the key benefits of Vitamin H Powder for hair care products?
Biotin helps improve hair strength, elasticity, and resistance to breakage by supporting keratin-related functions. It is commonly used in products targeting weak, brittle, or thinning hair, helping enhance hair texture, manageability, and overall appearance when used as part of a well-balanced formulation system.
★How does Vitamin H Powder support scalp health in formulations?
Biotin contributes to maintaining a healthy scalp environment by supporting normal skin function and helping balance moisture levels. A well-conditioned scalp is essential for strong hair, and biotin-based formulations are often used to improve scalp comfort and overall hair quality.
★Is Biotin listed in China's cosmetic ingredient catalog?
Yes. Biotin is officially listed in China's IECIC (2021 Edition) under sequence number 06024 . It is also listed under sequence number 06788 within vitamin complexes . Permitted for cosmetic use.
★What are the approved safe usage concentrations in China?
China historical maximum usage: 3% for leave-on products (full body) and 4.4% for rinse-off products . CIR safety assessment (2023) confirms safety at ≤0.1% for both leave-on and rinse-off applications.
★What is the solubility limitation of standard Biotin?
Standard D-Biotin has poor water solubility (only 0.2% soluble) . This creates formulation challenges for clear serums and aqueous systems. Specialized forms like WS Biotin™ achieve 100x higher solubility (2%).
★Is Biotin water-soluble or oil-soluble? How easy is it to formulate?
Biotin (Vitamin H) is water-soluble, making it easy to incorporate into aqueous phases, serums, sprays and emulsions. It disperses smoothly and integrates well into most cosmetic systems without affecting stability or texture.
