A high-purity, water-soluble humectant and conditioning ingredient for skincare, cleansing and hair-care formulations. Betaine is also known as trimethylglycine and is widely used when formulators want hydration support, a softer skin or hair feel, and improved comfort in water-based personal-care systems.
- 99% betaine powder for measured cosmetic formulation.
- Supports hydration and a soft, conditioned feel.
- Useful in serums, creams, cleansers, shampoos and conditioners.
- Water-soluble for straightforward aqueous-phase incorporation.
- Suitable for small-pack evaluation and scale-up sourcing.
Product Specifications
|
Specification |
Details |
|
Product Name |
Betaine |
|
INCI Name |
Betaine |
|
Common Names |
Trimethylglycine; Glycine Betaine; TMG |
|
CAS Number |
107-43-7 [R1–R2] |
|
Molecular Formula |
C5H11NO2 [R1–R2] |
|
Molecular Weight |
117.15 g/mol [R1–R2] |
|
Commercial Form |
White powder |
|
Assay / Purity |
≥99% |
|
Formulation Role |
Humectant; skin-conditioning and hair-conditioning ingredient [R3] |
Key Benefits
Hydration Support Without a Heavy Oil Phase--Betaine is used as a humectant in cosmetic formulations, helping water-rich products support a hydrated, comfortable skin feel. Its water solubility makes it especially practical for serums, gels, essences and emulsion water phases. [R6]Soft, Conditioned Skin and Hair Feel--The Cosmetic Ingredient Review identifies betaine as a skin- and hair-conditioning ingredient. That makes it useful across both skincare and hair-care development where sensory softness and conditioning are part of the product brief. [R3]
Useful for Mildness-Focused Cleansers--In a human detergent-challenge study, adding betaine reduced measured and observed irritation responses from tested surfactant systems. This supports its use in cleanser development when formulators are working toward a more comfortable wash-off experience. [R4]
Versatile Across Personal-Care Formats--Because it is water-soluble and compatible with many common aqueous systems, betaine can fit hydration serums, moisturizers, facial cleansers, body washes, shampoos, conditioners and other personal-care formulations.
Why Formulators Choose Betaine
Betaine gives formulators a simple way to add humectancy and conditioning without relying only on glycerin or heavier emollient systems. It can be especially useful when a formula needs hydration support but should still feel light, clean and easy to layer. In surfactant-based products, betaine also provides a credible comfort-focused development angle supported by human irritation-model research. [R4]
Betaine is an osmolyte, and research has also examined how topical betaine influences tight-junction proteins and barrier-related function in skin models. [R5] This supports continued interest in betaine for skin-comfort and hydration concepts while keeping finished-product claims within cosmetic boundaries.
Typical Applications
|
Product Format |
Development Value |
|
Hydrating serum / essence |
Adds humectancy in a lightweight water-based format. |
|
Face or body moisturizer |
Supports hydration and conditioned skin feel through the aqueous phase. |
|
Facial cleanser / body wash |
Useful in mildness- and comfort-focused surfactant systems. |
|
Shampoo |
Adds water-soluble conditioning and humectant support. |
|
Conditioner / hair mask |
Supports softness and moisture-focused hair-care concepts. |
Quick Formulation Guide
|
Item |
Typical Guidance |
|
Use Level |
approximately 0.5–5% [R8]. |
|
Solubility |
Water-soluble; dissolve in the aqueous phase. [R6,R8] |
|
Processing |
avoid unnecessary processing stress and follow the selected grade’s current technical data. |
|
Compatibility |
Generally easy to combine with common humectants, soothing ingredients and water-soluble actives, but validate viscosity, preservation and sensory profile in the finished system. |
Why Source From Us
- Start with samples scale to bulk orders – one supplier from trial to production: Validate with lab samples, then scale to commercial volumes – same quality, same team. No re-qualification, no project delays.
- Formulation support that actually helps – not just a data sheet: We give you hands-on guidance on solubility, temperature, pH, and compatibility. A real formulation partner, not a catalog.
- Reliable supply chain – consistent quality, on-time delivery, batch after batch: Own manufacturing facilities plus long-term partnerships with audited upstream producers ensure batch-to-batch consistency. Full documentation with every shipment. No "sample passes, bulk fails"
- Export-ready documentation – compliance, customs, cleared：Complete technical documentation packages – COA, MSDS, TDS, stability data – batch-specific and regulatory-ready. We handle the paperwork so your compliance and procurement teams can focus on formulation
Recommended Ingredient Pairings
|
Ingredient |
Why It Pairs Well |
Product Concept |
Compatibility Note |
|
Glycerin |
Builds a multi-humectant hydration system. |
Hydrating serum / lotion |
Balance total humectant load to avoid tackiness. |
|
Adds water-binding and serum texture. |
Plumping hydration serum |
Pre-hydrate polymer and re-check viscosity after all actives are added. |
|
|
Adds conditioning and comfort-focused value. |
Barrier-comfort serum / cleanser |
Check final preservation and viscosity. |
|
|
Adds barrier, tone and sebum-care value. |
Daily multi-benefit serum |
Select a final pH suitable for the full active system. |
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