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Effect of Vitamin A on Enzyme Activity in the skin

On this page we look at how topically applied Vitamin A increases the enzyme activity in the skin. The tests were done on guinea pigs, but are totally applicable for comparison purposes to the effect vitamin A has on the enzyme activity in human skin, when applied topically.

Vitamin A increases enzyme activity of the skin

  • Vitamin A palmitate was topically applied twice daily for 20 days in guinea pigs. REF 84

Ointment used

Enzyme activity in epidermal tissue nm/min/mg dry weight

Glucose-6-phosphate dehydrogenase Lactate dehydrogenase Isocitrate dehydrogenase
Placebo 4.9 378 5.9
with Vitamin A 5,000 IU/g 5.6 395 8.2
with Vitamin A 10,000 IU/g 6 393 12.2
vitamin a increases skin enzymes

Vitamin A in our skin care products vitamin a increases skin enzymes

We use vitamin A in a selection of our skin care products.

For more information on vitamin A and the products in which it is used, please click here.

To view our complete selection of products, please click here.

PLEASE NOTE:

Although we quote some animal studies, we at Dermaxime do NOT test any of our products on animals.

For more on animal testing and our stand on this, please click here.

More Vitamin A information pages vitamin a increases skin enzymes

Other ingredient information pages vitamin a increases skin enzymes

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Statements made on the products, ingredients and general information have not been evaluated by the FDA and should not be seen as health claims. All ingredients used in our products are safe and are in no way banned, controlled or restricted.
All products are manufactured following strict GMP and ISO standards.

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Our site was last updated on 5 March 2010.