Does L-Cystine Help With Skin Lightening?
500 mg L-cystine combined with glutathione lightened skin and reduced dark spots in Asian women over 12 weeks.
Weak EvidenceEvidence Summary
500 mg L-cystine combined with glutathione lightened skin and reduced dark spots in Asian women over 12 weeks.
Effective Dose
500 mg/day (combined with 250 mg glutathione)
Supporting Studies
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