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Products > Alpha & Beta Hydroxy Acids
| Alpha & Beta Hydroxy Acids |
| Alpha hydroxy acids (AHA's) work mainly as an exfoliant. They cause the cells of the epidermis to become "unglued" allowing the dead skin cells to slough off, making room for regrowth of new skin. AHA's may even stimulate the production of collagen and elastin, and are reported to improve wrinkling, roughness, and mottled pigmentation of photodamaged skin after months of daily application. Alpha hydroxy acids found in skin-care products work best in a concentration of 5% to 8% and at a pH of 3 to 4. Beta hydroxy acid, salicylic acid, is a topical exfoliant that can reverse some of the effects of photoaging such as fine wrinkles and discolored skin. Currently, salicylic acid is the only beta hydroxy acid used as an exfoliant. |
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| News & Facts |
| 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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