Nanoparticles dispersion is provided for diagnosing skin health conditions comprising at least three components selected from glucose, chloroauric acid, potassium hydroxide, sodium borohydride, and water, wherein said nanoparticle dispersion has a particle size of 1 to 100 nm. A test kit is provided for diagnosing skin health conditions such as normal, dry or dandruff comprising nanoparticles dispersion comprising at least three components selected from glucose, chloroauric acid, potassium hydroxide, sodium borohydride, and water. A method of diagnosing the skin health conditions comprising the steps of collecting the skin test sample and treatment with nanoparticle and measuring the color of test samples and diagnosing the skin dryness.奈米粒分散液被提供來診斷皮膚健康狀況,其包括選自葡萄糖,氯金酸,氫氧化鉀,硼氫化鈉,以及水的至少三個成分,其中,該奈米粒分散液的粒子大小為1至100 nm。一測試套組被提供來診斷皮膚健康狀況,例如,正常,乾燥,或頭皮屑,其包括具有選自葡萄糖,氯金酸,氫氧化鉀,硼氫化鈉,以及水的至少三個成分的奈米粒分散液。一種皮膚健康狀況的診斷方法包括的步驟是收集皮膚測試樣品,並利用奈米粒進行處理,以及測量測試樣品的顏色,並診斷皮膚乾燥度。A...尖端B...色度C...膠帶