| 1. | Both DHA and erythrulose have been known to cause contact dermatitis.
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| 2. | Erythrulose is more expensive, and difficult to obtain.
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| 3. | DHA may be used alone or combined with other tanning components such as erythrulose.
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| 4. | Erythrulose is a clear to pale-yellowish liquid, which naturally occurs in red raspberries.
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| 5. | Erythrulose produces a lighter and slower-developing tan, taking 24 to 48 hours to complete development.
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| 6. | Individuals sensitive to DHA may be able to use erythrulose as a skin-safe self-tanning replacement.
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| 7. | In the article about Erythrulose, it is mentioned that it is not FDDA approved as a self-tanning agent.
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| 8. | DHA produced similar results, but faster; however erythrulose takes longer to develop its full effect, therefore it lasts longer.
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| 9. | Some people feel the final tone of erythrulose is slightly redder, and less bronze, than the DHA-based tan.
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| 10. | The ketotetroses have one chiral center and, therefore, two possible stereoisomers : erythrulose ( L-and D-form ).
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