Sodium PCA

Description: Sodium PCA is the sodium salt of pyroglutamic acid which is an uncommon amino acid found naturally in many proteins. Colorless clear liquid, soluble in water, pH 6.8-7.4. CAS# 28874-51-3.

INCI Name: Sodium PCA.

Properties: Occurs naturally in human skin and is responsible for binding moisture to the cells. Highly water-absorbent, holding several time its weight in water, which makes it an excellent humectant. It is a stronger hydrating agent than the traditional compounds as e.g. glycerin, propylene glycol. It is also good for hair care as it reduces static electricity.

Use: Add as is to the water phase of the formulas, typical use level 0.5 - 10%.

Applications: All kinds of skin care products such as creams, gels, lotions, hair care products, color cosmetics, mouthwashes.

More Information: MSDS, Fact Sheet, Sample Recipe

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Zinc Oxides: Which One is Right for You?

Regular zinc oxide has a particle size of >200 nm (nanometer), a visible whitening effect on the skin, is water dispersible, gives great coverage in makeup products and lip balms, and offers good protection in baby care products.
Micronized zinc oxide has a particle size of <200nm (mean 86nm), has a minimal whitening effect on the skin, is water dispersible, offers superior sun protection but does not offer coverage in makeup products.
Micronized zinc oxide coated with silicone offers basically the same features as non-coated micronized zinc oxide but is easier to disperse in oils, and works well in formulas containing carbomers.

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