Ingredient Guide
Betaine
Also known as: Betaine, Trimethylglycine, TMG
All skin types
What It Is
A naturally occurring compound derived from sugar beet. Functions as a humectant, osmoprotectant, and mild surfactant in skincare.
What It Does
Attracts and retains moisture, supports the skin's osmotic balance, and contributes to the skin's natural moisturizing system.
Best For
HydrationNMF supportGentle moisture-attracting ingredient
Benefits
- Natural-derived humectant
- Osmoprotectant — helps skin cells maintain water balance under stress
- Very well tolerated
When to Be Careful
- No notable concerns at cosmetic concentrations
Commonly Found In
MoisturizersNMF formulasSensitive skin products
FAQs About Betaine
What does betaine do in skincare?
Acts as a humectant that attracts moisture and helps the skin maintain cellular water balance. Also a mild surfactant and osmotic stabilizer.