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While most topical skincare ingredients are safe during fasting, be cautious with highly active ingredients like strong retinoids or high-concentration acids, as your skin may be more sensitive during the initial adaptation period to intermittent fasting

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Year-Round Use: Retinoids can increase photosensitivity, necessitating careful sun protection and potentially limiting use during periods of high sun exposure

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The relationships between clinical data, CD activity, plasma and salivary parameters were evaluated using the Spearman's rank correlation coefficient