Exaggerated use of skin care topicals in infants may lead to brownish appositions in the inguinal and gluteal region described as pomade crust. Examination of scraping material by infra-red spectroscopy failed to reveal any residue of emollients but instead was characteristic of human scales. Certain topicals are apparently capable of inducing hyperkeratosis in these body regions.
婴儿过度使用护肤品可能会导致腹股沟和臀部出现褐色沉积物，即所谓的发膏痂。通过红外光谱对刮取物进行检查，未发现任何润肤剂残留，反而呈现出人类鳞屑的特征。某些护肤品显然能够在这些身体部位诱发角化过度。
