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UNDERSTAND → APPLY
Identify the mark before choosing the ingredient
Post-acne marks, melasma, freckles and natural pigment variation are not interchangeable. Response differs by cause, and UV exposure can undermine an otherwise consistent routine.
Choose a specific target and compare photos under consistent light every few weeks. New or rapidly changing spots merit assessment.
Evidence for an ingredient does not automatically establish results for every finished product containing it.
Continue in the Ingredient Dictionary
Read each ingredient's function and references, then review the finished product's INCI separately.
Finished-product examples from SESH
These are formulation and comparison references, not claims that a finished product reproduces isolated-ingredient study results.
