| Excerpt | Relevance | Reference |
|---|
| " Hydroquinone (HQ) is the gold standard and remains the only prescription product available in the United States for the treatment of generalized facial hyperpigmentation." | 9.17 | Evaluation of a hydroquinone-free skin brightening product using in vitro inhibition of melanogenesis and clinical reduction of ultraviolet-induced hyperpigmentation. ( Banga, A; Jain, P; Makino, ET; Mehta, RC; Sigler, ML; Sonti, S, 2013) |
| " Hydroquinone (HQ) is the gold standard and remains the only prescription product available in the United States for the treatment of generalized facial hyperpigmentation." | 5.17 | Evaluation of a hydroquinone-free skin brightening product using in vitro inhibition of melanogenesis and clinical reduction of ultraviolet-induced hyperpigmentation. ( Banga, A; Jain, P; Makino, ET; Mehta, RC; Sigler, ML; Sonti, S, 2013) |