Tranexamic Acid
TXA
BGood evidence (some RCTs)Safety: Safe
Chemical Function
Brightener that interrupts pigmentation pathways.
Scientific Evidence
Studies show improvement in melasma, especially combined with niacinamide and vitamin C.
Quality of EvidenceModerate
Interactions
Pairs well with niacinamide and licorice; gentle for daily use.
Pro-Aging Relevance
Addresses stubborn hormonal pigmentation (melasma).
The Science Behind Tranexamic Acid
Tranexamic acid works on the pigment pathway that causes melasma. It is gentle and pairs well with other brighteners for stubborn hormonal dark patches.
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