The invention concerns a medicine or a cosmetic composition comprising at least one thiourea of general formula (I), or at least one of its monooxide or dioxide derivatives of general formulae (IIa), (IIb) and (III), or mixtures thereof. This medicine is advantageously used for inhibiting tyrosinase, inhibiting melanin synthesis, for lightening or depigmenting the skin or for eliminating age spots and as antimutagenic and anti-carcinogenic agent.
本发明涉及一种药物或化妆品组合物,包括至少一种具有通式(I)的
硫脲,或者通式(IIa)、(IIb)和(III)的单氧化物或二氧化物衍
生物之一,或其混合物。该药物可优化用于抑制
酪氨酸酶、抑制
黑色素合成、美白或脱色皮肤、消除老年斑以及作为抗突变和抗癌剂。