Cleansers · 16/06/2026
Why citrus-derived skincare ingredients sometimes get an undeserved photosensitivity caution
Certain citrus oils carry genuine photosensitivity concerns in their raw, unprocessed form, but properly formulated cosmetic extracts used in rinse-off products generally don't carry the same concern — worth understanding the distinction.
Why certain raw citrus oils carry a genuine, well-documented photosensitivity concern
Some raw, cold-pressed citrus essential oils — bergamot most notably — contain furocoumarin compounds that can increase skin's UV sensitivity when applied topically and then exposed to sunlight, a genuine, well-documented phototoxicity concern for specific raw citrus oil extracts used at meaningful concentration in leave-on products.
Why this concern generally doesn't transfer the same way to processed citrus extract in a rinse-off cleanser
Yuja and other citrus-derived ingredients in cosmetic formulation are typically processed extracts rather than raw essential oil, often used at lower concentrations within a rinse-off product with brief skin contact time — both factors that meaningfully reduce the photosensitivity concern compared to raw, high-concentration citrus oil used in a leave-on product applied before sun exposure.
Distinguishing genuine citrus photosensitivity risk from an overly broad caution applied to any citrus-derived ingredient
Recognise that photosensitivity concerns are specific to particular citrus oils, concentrations and formulation contexts rather than a blanket caution applying to any product containing a citrus-derived ingredient — a processed yuja extract in a rinse-off cleanser carries a meaningfully different risk profile than raw bergamot oil in a leave-on serum.
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