I use this preservative im a number of formulas. The quality is very good. Haven’t had any spoilage. I would like to see the expiry date on the bottle or at least on the website though.
PureActivesCo
L-Carnosine Powder
L-Carnosine Powder
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Description
Description
L-Carnosine Powder
L-Carnosine Powder is a powerful anti-aging peptide renowned for its ability to prevent glycation, protect collagen fibers, and maintain skin firmness. Naturally occurring in the body, this dipeptide (β-alanine + L-histidine) helps slow visible signs of aging by reducing oxidative stress and sugar damage that cause wrinkles and loss of elasticity.
In topical formulations, it strengthens the skin barrier, promotes youthful tone, and supports recovery from environmental stress. Its strong antioxidant and soothing properties make it perfect for luxury serums, firming creams, and eye treatments targeting mature, dull, or tired skin.
Professional cosmetic ingredient — not a finished product.
Key Specs
| INCI | Carnosine |
|---|---|
| CAS No. | 305-84-0 |
| Appearance | White crystalline powder |
| Solubility | Water-soluble |
| pH Guidance | ~5–7 preferred |
| Typical Usage | 0.1–1% |
Formulation Guide
- Add to water or cool-down phase
- Use chelators if formulating with metal ions
Applications
- Serums
- Eye creams
- Lotions
Troubleshooting
- Clumping or poor dispersion? Increase shear or pre-disperse in glycerin.
- Stability concerns? Respect pH/temperature limits; use chelators/antioxidants as needed.
- Texture off? Adjust gums/electrolytes/solvents to tune viscosity.
Storage & Safety
Store tightly closed in a cool, dry place away from light and heat. For external use only. Patch test finished products before regular use.
Documentation
Suggested Usage & Formulation
Suggested Usage & Formulation
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