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INGREDIENT DICTIONARY

INCI: Betaine / CAS #: 107-43-7

Betaine is a naturally derived humectant and osmoprotectant commonly used in cosmetic formulations to support hydration, improve skin feel and enhance formulation mildness.

Key benefits

  • Supports hydration
  • Improves skin feel
  • Supports formula mildness
  • Suitable for skin and haircare

Behaviour in formulations

Fully water soluble and easy to incorporate into aqueous, emulsion and surfactant-based systems.

  • Add to water phase
  • Mix until fully dissolved
  • Can be incorporated during cool-down if preferred
  • Compatible with most cosmetic manufacturing processes

Use level considerations

Use Rate (Min): 1.0
Use Rate (Max): 10.0

  • Serums: 2–5%
  • Toners / Mists: 1–4%
  • Creams & Lotions: 2–5%
  • Cleansers: 1–5%
  • Haircare: 1–5%

Starter Use Rate: 2-5% for most cosmetic formulations

Typically used at 1–5%, with 2–5% being common in hydration-focused products.

Formulation summary

  • Readily dissolves in water
  • Functions as both a humectant and osmoprotectant
  • Can improve sensory feel and reduce irritation potential
  • Suitable for both skin and haircare systems

Quality notes

Cosmetic-grade Betaine with consistent purity and reliable formulation performance.

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