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Best face serum for combination skin plus dark spots in city pollution
If you have very sensitive skin, melasma, active acne, or are pregnant or breastfeeding, introduce new brightening serums slowly and speak with a dermatologist before trying strong actives.
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Safety, timelines, and when DIY is not enough
Certain situations call for extra caution. If you have very reactive skin, eczema, a history of facial rashes, or you have recently had in-clinic procedures like strong peels or laser, it is safer to let your skin heal fully before experimenting with new brightening serums. The same goes if you are pregnant, breastfeeding, or taking medication that affects your skin – in those cases, it is sensible to speak with your doctor or dermatologist before starting any new active, even over-the-counter ones.