Hyperpigmentation Risk Checker

Does Lemon Oil / Citrus Oils Cause Hyperpigmentation?

Evidence-based guidance on lemon oil / citrus oils and its risk of triggering or worsening dark spots, melasma, and post-inflammatory hyperpigmentation.

Risk level
HIGH risk

Citrus essential oils contain phototoxic furocoumarins. They are a well-documented trigger for phytophotodermatitis and streaky, persistent hyperpigmentation.

How it can affect pigmentation

  • Phototoxic furocoumarins
  • Phytophotodermatitis
  • Persistent hyperpigmentation in sun-exposed areas

Usage advice

Avoid citrus oils in leave-on products, especially for daytime use. They are a common hidden cause of unexplained dark patches.

Recommendations

  • Avoid in daytime skincare and sun-exposed areas.
  • If used in a wash-off product, rinse thoroughly and apply SPF.
  • Always use sun protection if your skin tends to hyperpigment; we recommend a zinc oxide sunscreen.

Sources

  • Phytophotodermatitis induced by exposure to lime peel. Kurlan JG, et al. Arch Dermatol. 1993;129(6):784-785. link

Related ingredients

Bergamot OilFragrance / Parfum

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