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10. What are the main disadvantages of dihydroxyacetone ( DHA ) as a self tanning agent?

The main problems with the use of self-tanning products containing DHA are listed below:



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Irregular and mottled tanning with very orange skin tone
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Intense skin drying effect
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Short tanning lasting time
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Skin irritation, rash, allergic reaction and Contact dermatitis
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Inflammation of hair follicles
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Unpleasant odor on the skin after use
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Risk of Formaldehyde (a substance that can cause allergenic, carcinogenic, mutagenic, and teratogenic)
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Risk of microbial contamination in formulation
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Extremely unstable to heat


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