4,4-diketo-beta-carotene, Beta,beta-carotene-4,4-dione, Cantaxantina, Cantaxantine, Canthaxanthine, Carophyll Red, CI Food Orange 8, Colour Index No. 40850, E161, Roxanthin Red 10.
Canthaxanthin is used to reduce sensitivity to sunlight (photosensitivity) experienced by people who have a rare genetic disease called erythropoietic protoporphyria (EPP). In these people, sunlight can cause skin reactions such as rash, itch, and eczema. Canthaxanthin is also used to reduce sun sensitivity caused by certain medications. Some people also try it for relieving itching caused by sun exposure.
Orobronze (canthaxanthin) is sold in Canada as a nonprescription "tanning pill." In the U.S., the Food and Drug Administration (FDA) has not approved tanning pills containing canthaxanthin. Nevertheless, these products seem to be readily available to people in the U.S. through mail order and tanning salons.
In foods, canthaxanthin is used as food coloring and is added to animal feed to improve the color of chicken skins, egg yolks, salmon, and trout.
In manufacturing, canthaxanthin is used in cosmetics and in medications.
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