What is the main cause of rosacea?
The exact cause of rosacea is unknown, but it is believed to result from a combination of genetic, environmental, and immune system factors.
What is the biggest trigger of rosacea?
The most common trigger of rosacea is sun exposure, but other major triggers include hot or spicy foods, alcohol, stress, extreme temperatures, and skincare products with irritating ingredients.
What vitamin deficiencies cause rosacea?
Vitamin B2 (riboflavin) and vitamin D deficiencies have been linked to rosacea. A lack of riboflavin can contribute to skin inflammation, while vitamin D plays a role in immune system regulation and skin barrier function.
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