Administration of phenylfurymethylthiazolidine-2,4-dione or phenylthienymethylthiazolidine-2,4-dione compounds for promoting and/or inducing and/or stimulating the pigmentation of keratinous substances and/or limiting their depigmentation and/or their whitening

摘要

Phenylfurylmethylthiazolidine-2,4-dione and phenylthienylmethylthiazolidine-2,4-dione compounds of formula (1): are useful for promoting and/or inducing and/or stimulating the pigmentation of keratinous substances and/or limiting their depigmentation and/or their whitening and more particularly for preventing and/or limiting canities of human keratinous fibers.